1. Ignition Failure 2. Temperature Problems 3. Heater Keeps Shutting Off 4. Display Not Working 5. Heater Won't Turn On 6. Heater Turns On Automatically 7. Flame Won't Stay Lit 8. Malfunctioning Blower 9. Low Water Flow 10. Defective Control Panel 11. Dirty Filters 12. Noise 13. Freeze Damage 14. Heat Exchanger Problems 15.Save money and energy with the MasterTemp High-Performance Heater. Already known as being dependable and efficient, MasterTemp now offers smart features and an optional energy-saving Smart Bypass Valve Kit to help you ensure your pool is ready whenever you are. Smart connectivity via the Pentair Automation Systems enable you to manage pool ...I have a Pentair Mastertemp 125. Not quite four years old with an Intermatic Multi Wave control system Desired set temperature on Intermatic hand held remote ... when it turns on again it cycles then the service light come on. how can it run for hours to get to temp then not work? ... Pentair Mastertemp - digital display shows water temp at 126 ...April 9, 2023 by William. Pentair Mastertemp 400 common problems include displaying the wrong temperature, low water circulation, leaking water, water scaling, and corroded heat exchanger. Some other problems that Pentair Mastertemp 400 pool heater users face are the blower not working, not heating, not igniting, not turning on, knocking noise ...April 9, 2023 by William. Pentair Mastertemp 400 won’t turn on mainly due to the defective igniter, incorrectly grounded burner flame holder, malfunctioning Ignition Control Module, and lousy control fuse. Also, the other responsible factors are the wet heater, sensor problem, faulty membrane switch, tripping safety switches, and no power on ...The Pentair Compool, and LX80 Control Systems use a different TS5L sensor . Press the Program key. Press the Spa Heat Source key. Enter correct pool temperature (using the up and down arrow keys) and press Spa Heat Source key. At this point, you can just hit the Program key and exit calibration. Enter correct solar …Heat pump troubleshooting guide for Pentair pool heaters. Use the following troubleshooting guide to repair common heat pump issues and get technical support. Call Us Nationwide: 1-800-741-9956. ... does not work, recover the charge, remove bulb from SL, unscrew TXV head, shake it, if rattles, replace head (PN KT-45-ZGA), ...The display will flash once and change modes (°C to °F or vice versa). 3. Turn the Operating Control ON. When either the ^TEMP or down TEMP buttons are depressed, the digital display will indicate the temperature setting. After five seconds, the display will return to the actual pool/spa temperature.I recently fixed my Mastertemp 400 but my problem was the HSI-igniter. Pentair has an excellent customer service department. 800-831-7133 (CA) I'm not sure if they are open on weekends but they will help you with diagnostics of your system. You will need a multimeter and a few small tools. The system has a stack flue sensor which may …The inside of the HX tubes have some visible corrosion, AND my reading of the Pentair MT400 Manual page 53 state: ERR AGS (or HLS): Verify water flow rate is above min (which I have with my flowmeter), Verify that inlet water temp is below 104F (it is cold water), Replace AGS or HLS (replaced both), If problem persists, verify proper …Make sure that the On/Off switch on the valve is in the On position. Check the gas shutoff valve right outside the heater to make sure that it is open. Check for a gas shutoff valve near the meter. Check the inlet gas pressure before the gas valve opens and after it opens. Report.See full list on heaterfixlab.com May 2, 2022 · Step 1: To get to the thermistor, remove the back panel. Use a screwdriver to take off the three screws on the panel. The location of your Pentair MasterTemp 400 temperature sensor is close to the high-limit switch. Step 2: Remove all of the thermistor’s electrical connections. Pentair MasterTemp transformer P/N is 42001-0107. P/N 42001-0107s is for units made after 2003. A bad transformer can cause the fuse to blow. If the MasterTemp heater display does not light up when heat is commanded then check the power beginning at the Circuit Breaker.Heat Exchanger Troubleshooting How does a Pentair Mastertemp Swimming Pool Heater work? A Pentair Mastertemp heater is actually a very simple appliance that becomes more complicated due to all of the …My Spa heater is not working. It shows enabled but does not fire up and there’s nothing on the display. Contractor's Assistant: Who manufactured the spa? It is a pentair mastertemp. Contractor's Assistant: Do you plan on doing the work yourself? Don’t know, would to know what’s wrong before I schedule something.My pentair 400 mastertemp is not heating the display is. my pentair 400 mastertemp is not heating the display is showing a r+8 128 code ... Heater not working. Still within 3 year warranty. Pentair. It didn't come on a few weeks ago.View and Download Pentair MASTERTEMP 200HD installation and user manual online. POOL AND SPA HEATER (FOR OUTDOOR USE ONLY). MASTERTEMP 200HD heater pdf manual download. Also for: Mastertemp 300hd, Mastertemp 400hd, Mastertemp 400, Mastertemp 200, Mastertemp 300. ... LCD Display: During normal heater operation the …Apr 11, 2022 · 5. Low Water Flow. An obstruction in your pool system can prevent your heater from turning on due to limited water flow. Solution: Ensure that your pool filter is clean. Empty the baskets. Make sure the pump is sending enough water through the system. 6. Dirty Heat Exchanger. Step 1: To get to the thermistor, remove the back panel. Use a screwdriver to take off the three screws on the panel. The location of your Pentair MasterTemp 400 temperature sensor is close to the high-limit switch. Step 2: Remove all of the thermistor’s electrical connections.Step 1: To get to the thermistor, remove the back panel. Use a screwdriver to take off the three screws on the panel. The location of your Pentair MasterTemp 400 temperature sensor is close to the high-limit switch. Step 2: Remove all of the thermistor’s electrical connections.See full list on heaterfixlab.com Pentair Intellichlor IC-60. Aug 2, 2021. #4. That is your “firemans switch “. Disconnect the control line at the two blue wire nuts. Then twist the two yellow wires together and put a wire nut on it. You have restored local control to the heater. Now put your pump on and see if the heater works from its control panel.A Six’s thermometer functions by using alcohol to expand or contract the mercury inside to display both the highest and lowest temperatures of a given time period. There are bulbs at the top of each arm of the tube, one above each indicator...In this video I will show you what steps I went through to troubleshoot the no heating issue with my Pentair MasterTemp 250 pool heater.#pentair #poolheater ...In this video I will show you what steps I went through to troubleshoot the no heating issue with my Pentair MasterTemp 250 pool heater.#pentair #poolheater ...1. Ignition Failure 2. Temperature Problems 3. Heater Keeps Shutting Off 4. Display Not Working 5. Heater Won't Turn On 6. Heater Turns On Automatically 7. Flame Won't Stay Lit 8. Malfunctioning Blower 9. Low Water Flow 10. Defective Control Panel 11. Dirty Filters 12. Noise 13. Freeze Damage 14. Heat Exchanger Problems 15.Some famous Filipino sculptors are Rey Paz Contreras, Eduardo Castrillo, Solomon Saprid and Napoleon Abueva. A work by Napoleon Abueva, titled “The Sculpture,” has been on display in the United Nations headquarters.Pool and Spa Equipment Dealer Locator. Share. Pentair offers smart, sustainable water solutions. Find a local Pentair dealer for your home or business water equipment, from pools to pumps to water treatment.Today I went to turn on my Pentair mastertemp 250 heating unit but the display wasn't visible and the control board was not responding to any input from the ...Turn on the heat on the EasyTouch so the heater turn on and the front panel lights up. Press SPA ON. Then use the TEMP UP red arrow to raise the temperature to 104. Ignore the 319 in the picture below. Normally it displays the water temperature or the set temperature when you are adjusting it.This document is subject to change without notice. Page 2 Follow the gas supplier's instructions. • If you cannot reach your gas supplier, call the fire department. For additional free copies of this manual; call (800) 831-7133. Pentair Water Pool and Spa, Inc. 1620 Hawkins Ave., Sanford, NC 27330 (919) 566-8000 •...Used this to replace a 10 yr old Pentair Mastertemp 400 control board that was failing. Solved the issue, easy to install. Information was not clear that it also included the keypad. Could have used more instructions for older systems especially when the Pentair control center is turning the heater on/off. Used this to replace a 10 yr old Pentair Mastertemp 400 control board that was failing. Solved the issue, easy to install. Information was not clear that it also included the keypad. Could have used more instructions for older systems especially when the Pentair control center is turning the heater on/off. I have a Pentair Mastertemp 125. Not quite four years old with an Intermatic Multi Wave control system Desired set temperature on Intermatic hand held remote ... when it turns on again it cycles then the service light come on. how can it run for hours to get to temp then not work? ... Pentair Mastertemp - digital display shows water temp at 126 ...Today I went to turn on my Pentair mastertemp 250 heating unit but the display wasn't visible and the control board was not responding to any input from the ...#1 Good Morning Everyone, We opened our pool a couple of days ago with no issues. We went to turn up the heat yesterday and the display that shows the temperature is not displaying anything. I am able to press the "pool on" button and the green light will show up, however, nothing appears on the small display.Pentair Mastertemp heater will not come on. When breaker is turned off and then back on a code 888 then 12A then r14 comes on but then screen goes blank. Contractor's Assistant: I'll do all I can to help. ... mastertemp 125 is not working displays shows trouble code 14 ...A code is E06 call on my Pentair heater and a changed the sensor but heater still not working. ... my pentair 400 mastertemp is not heating the display is showing a r+8 128 code ... weh you switch on the power the display …Mar 26, 2022 · The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps exit away, display not working and the heater not turning on. Besides, the heater turning on automatically, the sweetheart won’t stay lit, the blower none working, low irrigate currents, bugs codes, a faulty control panel, dirty filter, noise, freeze damage, and heat exchanger Re. P 82020 MASTERTEMP Pool and Spa Heater Installation and User’s Guide 5 SAFETY INFORMATION Section 2. Warning and Safety Instructions The MasterTemp® pool heaters are designed and manufactured to provide many years of safe and reliable service when installed, operated and maintained according to the information in this manual.Chlorine. Salt Water Generator. SWG Type. Pentair Intellichlor IC-60. Mar 30, 2020. #2. The Sta-Rite Max-E-Therm is the same as the Pentair MasterTemp so read up on fixes for both heaters. Three flashes on the Fenwal box indicates no flame being sensed. You probably have a flame rectification problem.Mastertemp 125 is not working displays shows trouble code. ... Pentair Mastertemp - digital display shows water temp at 126 degrees. Control panel and remote show ...Hey guys I have pentair mastertemp 250 that I have been keeping running for 13 years and I can tell you that I have been through three button membrane pads three hot surface ignitors replaced the control board once replaced the ICM once and replaced the entire wiring harness once, replaced the Air flow switch (that was before I knew you could simply blow into it to get it to open again).How to de-bug / fix issues with a Pentair MasterTemp Heater. Craig Wooster. 5.64K subscribers. Subscribe. 317. Share. 100K views 2 years ago. if you have any questions please contact …Turn on the heat on the EasyTouch so the heater turn on and the front panel lights up. Press SPA ON. Then use the TEMP UP red arrow to raise the temperature to 104. Ignore the 319 in the picture below. Normally it displays the water temperature or the set temperature when you are adjusting it.In this video I will show you what steps I went through to troubleshoot the no heating issue with my Pentair MasterTemp 250 pool heater.#pentair #poolheater ...Autumn leaves put on a beautiful display when they’re on the trees, but once the leaves fall they create an unsightly mess. A leaf blower makes quick work of clearing a yard or patio area of the fall leaves, but it’s useful for far more tha...Our pentair master temp 250 is not working. It has a red light that indicates it needs to 'service system.' what - Answered by a verified Pool and Spa Expert ... Let me know if this changes the light. If you are comfortable opening up the heater, then we can look at the led display inside the control module, there should be a code there that …Feb 21, 2021. #1. Turned on my Spa & heater today and the heater did not start. Checked the display and it had "Service heater' light on. Popped the hood and the AFS light was on. Made sense because the blower was not running. Opened the blower to check for nests, totally clean and spins freely. Poked my phone camera into exhaust port …A common problem with the Pentair pool heater remains is the display doesn’t work. This issue often occurs when there the a problem with to display cards or …Inspect & clean pump impeller. Adjust Plumbing valves. Repair suction air leaks. Make sure external water bypass around heat pump is closed. With water flowing, check resistance of water pressure switch, if open, replace switch. Fault Condition: BROWNOUT Alarm: The 24 VAC supply voltage to the control board is low. So I finally get the nerve to take the panels off and flip over the cover to check the RED service leds. The only one lit is LED 11, which is the same led that lights up the service heater light when viewed from the front. I can't seem to get a straight answer as to what may be causing this. A bit more info, green "spa on" light is on, the ...Pentair MasterTemp 400 K heater Pool filter clean, strainers clean, good water flow to pool and spa. Heater will not start. spa light is on. service system & service heater lights are off heater set p …Good Morning Everyone, We opened our pool a couple of years ago are no issues. We go up turn up of heat history and one display that shows the heat is not …Dec 16, 2018 · Dec 16, 2018. 18. Jacksonville. Dec 16, 2018. #1. I have a pentair easy touch system with a pentair mastertemp 400 heater. The heater won't turn on because it's displaying 126 as the temperature. I replaced the thermistor twice so it's not that. I also tried replacing the control board on the mastertemp 400 and it was still displaying 126. Good Morning Everyone, We offene their pool a couple of days ago with no issues. We went to spin up the heat yesterday and the display that shows which cooling is not displaying anything. MYSELF am can into press the "pool on" button and the grow light will show up, however, nothing appears on the...Intro Q&A Pentair Mastertemp Heater Not Turning on? askthepoolguy 11.6K subscribers Subscribe Share 9.2K views 3 years ago #teamlegendary #legendaryescapes #askthepoolguy Pentair Pool Quick...The heater function might not be enabled for spa under the heater. Go to advanced system setting then installation setup then heaters. Make sure affiliated body is pool/spa. Your heater has no idea if it’s heating a pool, spa, bathtub or fish pond. “Spa on” and “Pool on” are just 2 different temperature settings.I can't read what the temperature is in the display; ... what part of the Pentair MasterTemp 400,000BTU heater governs the shutdown of the heater if you have a momentary drop in gas pressure to the heater. We have changed the igniters, ... Heater is not working, ...Used this to replace a 10 yr old Pentair Mastertemp 400 control board that was failing. Solved the issue, easy to install. Information was not clear that it also included the keypad. Could have used more instructions for older systems especially when the Pentair control center is turning the heater on/off. #1 I went to turn on my pool heater today (hadn't turned it on in about 2-3 months) and noticed the temperature up/increase button doesn't work. I can turn down the temp setting, but the up button doesn't work to increase the setting. Everything else seems fine, it still fires up and heats up, it's just that one button isn't working.Salt Water Generator. SWG Type. Pentair Intellichlor IC-60. Apr 17, 2021. #2. 128 r14 is the normal MasterTemp startup display. R14 is the firmware release on the heater.Mastertemp 125 is not working displays shows trouble code. ... Pentair Mastertemp - digital display shows water temp at 126 degrees. Control panel and remote show ...MasterTemp 125 heater features include: 82% energy efficiency is highest in its class. 1-1/2" plumbing - ideal for smaller bodies of water up to 15,000 gallons. High-performance, affordable heating with premium features. Pre-mixed combustion technology for ultra-fast heat-up. Easy-to-use, digitial display makes programming and monitoring a cinch.It depends on what the issue you are facing is. But most issues are fixable. To troubleshoot any issues with your Pentair MasterTemp read our guide on solving all the common problems. What does Flo mean by a pool heater? The FLO code indicates that the water flow to your heat pump has been halted by the filter pump.The inside of the HX tubes have some visible corrosion, AND my reading of the Pentair MT400 Manual page 53 state: ERR AGS (or HLS): Verify water flow rate is above min (which I have with my flowmeter), Verify that inlet water temp is below 104F (it is cold water), Replace AGS or HLS (replaced both), If problem persists, verify proper …The 10 Best Pool Heaters of 2023. Raypak 014951 Digital Cupro-Nickel Propane 266,000 BTU Pool Heater. Pentair MasterTemp 125 Low NOx Pool Heater. Raypak PR266AENX51 240,000 BTU Heater …3. Broken Thermal Regulator. A broken thermal regulator or thermostat is another reason why you may be getting the wrong temperature on your Pentair MasterTemp 400’s display. Solution: You can take out the thermal regulator and test its continuity. The Thermal Regulator is situated between the inlet and outlet fittings in the Inlet/Outlet ...It may take some sleuthing to discover the cause of a heater malfunction. Often the culprit is not in the heater itself. Thus, the first step to troubleshooting is not actually looking in the heater, but outside it. Evaluate these things first: Check the circulation system. The No. 1 reason a heater will not fire is inadequate water flowing ...ajw22. The Pentair burners are in a sealed burner pot and the only exits are the exhaust fan and the air intake. You have an air/gas mixture problem in the burners and when the mixture explodes the pressure can only be released through the exhaust and air intakes. That is why you see the air intake being blown off.Heat pump troubleshooting guide for Pentair pool heaters. Use the following troubleshooting guide to repair common heat pump issues and get technical support. Call Us Nationwide: 1-800-741-9956. ... does not work, recover the charge, remove bulb from SL, unscrew TXV head, shake it, if rattles, replace head (PN KT-45-ZGA), ...Feb 21, 2021. #1. Turned on my Spa & heater today and the heater did not start. Checked the display and it had "Service heater' light on. Popped the hood and the AFS light was on. Made sense because the blower was not running. Opened the blower to check for nests, totally clean and spins freely. Poked my phone camera into exhaust port …A code is E06 call on my Pentair heater and a changed the sensor but heater still not working. And now I get 128 and heater goes blank what should I do now? ... My pentair 400 mastertemp is not heating the display is. my pentair 400 mastertemp is not heating the display is showing a r+8 128 code ...Turn on the heat on the EasyTouch so the heater turn on and the front panel lights up. Press SPA ON. Then use the TEMP UP red arrow to raise the temperature to 104. Ignore the 319 in the picture below. Normally it displays the water temperature or the set temperature when you are adjusting it.Step 1: To get to the thermistor, remove the back panel. Use a screwdriver to take off the three screws on the panel. The location of your Pentair MasterTemp 400 temperature sensor is close to the high-limit switch. Step 2: Remove all of the thermistor’s electrical connections.When your Pentair Mastertemp 400 refuses to turn on, check your heater’s Membrane Pad and see whether the pad is displaying the digital temp or not. If not, be sure the faulty Membrane switch is the culprit. Thus replace the malfunctioning or stuck Membrane Pad, Switch, and switch’s damaged or bad wiring. 8. Tripping Safety SwitchesYour Pentair pool heater display not working can be a result of a lack of power supply, a blown fuse, or a defective control board. Read our Pentair pool heater troubleshooting guide to solve this issue ASAP. Table Of Contents Pentair Pool Heater Display Not Working [3 Easy Fixes] 1. Lack Of Power Supply 2. Blown Fuse 3. Defective Control Board1) Make sure that the CSI does not go into positive territory. Maintain the CSI between -0.3 and 0.0. 2) Make sure that the flow going to the heater is about 40 gpm. Low flow causes the water temperature in the exchanger to be too high and excessive heat creates scale.Hey guys I have pentair mastertemp 250 that I have been keeping running for 13 years and I can tell you that I have been through three button membrane pads three hot surface ignitors replaced the control board once replaced the ICM once and replaced the entire wiring harness once, replaced the Air flow switch (that was before I knew you …MasterTemp 125 heater features include: 82% energy efficiency is highest in its class. 1-1/2" plumbing - ideal for smaller bodies of water up to 15,000 gallons. High-performance, affordable heating with premium features. Pre-mixed combustion technology for ultra-fast heat-up. Easy-to-use, digitial display makes programming and monitoring a cinch.The common reasons why your Pentair MasterTemp 400 keeps shutting off are incorrectly set temperature control, incorrect wiring, low gas pressure, and a wet or damaged high-limit switch. Besides shorted or defective AGS, faulty ignition control module, clogged pool filter, faulty temperature sensor, and bad control board are also responsible for your MasterTemp not stayingWHAT TO DO IF YOU SMELL GAS • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building. • Immediately call your gas supplier from a neighbor's phone. 1620 Hawkins Ave., Sanford, NC 27330Cut a 3-inch piece of 14 gauge wire and strip both ends. Remove the two wire leads to the sensor you believe is at fault. Connect the two leads together with the wire jumper. Attempt to run the heater with the jumper installed between the two wire leads. Some famous Filipino sculptors are Rey Paz Contreras, Eduardo Castrillo, Solomon Saprid and Napoleon Abueva. A work by Napoleon Abueva, titled “The Sculpture,” has been on display in the United Nations headquarters.We went to turn up the heat yesterday and the display that shows the temperature is not displaying anything. I am able to press the "pool on" button and the green light will show up, however, nothing …It depends on what the issue you are facing is. But most issues are fixable. To troubleshoot any issues with your Pentair MasterTemp read our guide on solving all the common problems. What does Flo mean by a pool heater? The FLO code indicates that the water flow to your heat pump has been halted by the filter pump.It's an easy fix, just 2 plugs for the board, takes longer to the top off then replace the board. alopgeek • 5 yr. ago. That jives with what I’m seeing. Only when it rains. I’ll see if I can cover it up with a tarp or something. Membrane pad most likely. Replace the cover over it if it's gone/missing as well.
Aug 5, 2021 · Turn on the heat on the EasyTouch so the heater turn on and the front panel lights up. Press SPA ON. Then use the TEMP UP red arrow to raise the temperature to 104. Ignore the 319 in the picture below. Normally it displays the water temperature or the set temperature when you are adjusting it. . Transexuals on long island
Qagea 42002-0007s Control Board Kit (461105) with 472610Z Switch Membrane Pad Fit for Mastertemp & Sta-Rite Max-E-Therm Pentair Pool and Spa Heater - Compatible with All NA & LP Series Pool/Spa Heater. $23999. Typical: $269.99. 5% off coupon Details. FREE delivery Tue, Oct 24.Turn on the heat on the EasyTouch so the heater turn on and the front panel lights up. Press SPA ON. Then use the TEMP UP red arrow to raise the temperature to 104. Ignore the 319 in the picture below. Normally it displays the water temperature or the set temperature when you are adjusting it.Mar 20, 2021 · You need to remove the top screws on the upper left and right and flip down the control panel. You will then see the low voltage connections. The two wires should connect to J19. The black wire goes up the left hand low voltage channel and into the top low voltage area. It does not connect to any "breaker". The Pentair 460736 MasterTemp 400 has proven itself to be one of the best pool heaters on the market. We’ve recently reviewed the Hayward H400FDN — 400,000 BTU pool heater, if you want to compare the models. The Hayward H400FDN pool heater is more widely used but both are powerful units that can heat your pool quickly.1poolman1. Forums. Equipment - Build, Use, and Repair. I have a Pentair Master Temp 400. All the buttons work except for the temp up button. I have pushed the rest button but that does not change anything. I can adjust the temp down but cannot get the pool above 77. Any help I can get is appreciated.Solution: Open the control panel of the pool heater and check whether the membrane is working properly or not. Your Pentair pool heater display won’t work until you replace the membrane with a new one. Make sure to turn off the main connection to the heater when replacing the membrane. 2. Blown Controller FuseApr 7, 2020. #1. I have a Pentair Mastertemp 250 that wont light. When I turn it on, you can hear the blower come on and it cycles a few times but wont light. A light smell of natural gas is present while its cycling. After it cycles a few times, the service heater light turns on. The light on the fenwal blinks 3 times which means it is getting ...PENTAIR MASTERTEMP 400 turns on. Goes through the standard boot up procedure (128/R13 appear on the LCD of heater) Then the display shows "1". The heater fires up and starts heating for about 3-4 minutes. Then it errors out with E01... and keeps the code on for a long while. I check the back of the control board in the heater and the …The following instructions will guide you through the entire process of replacing the Ignition Control Module, ICM of your Pentair MasterTemp 400. Step 1: Remove the heater’s left side panel. The four bolts on the heating jackets must be removed. Remove the Max-E-Therm Heater from the equation.My Pentair heater is not working and displaying err ps. 2months. ... HI! I have a Pentair 400 mastertemp propane spa heater. The service system light is on, and it has two red lights on, on the reverse side of the motherboard. The PS is red, and led6 is red.Mastertemp 125 is not working displays shows trouble code. ... Pentair Mastertemp - digital display shows water temp at 126 degrees. Control panel and remote show ...Power on, start the pump, and be sure the heater is turned on at the touch pad. If the heater lights, check that 2-conductor wire all the way to the panel for any break in the line (most likely caused by rodent damage). After that, if you don't see damage, you can reconnect the wire in the heater, disconnect the wire in the panel, twist the ...Slide projectors work by shining light through specialized photographs called slides. When the light goes through the slide, it enlarges the photograph and displays the image on a screen or on the wall. Usually, slide projectors use a carou...Very compact design for such a high performance heater allows for smaller overall equipment pads that won't intrude on your poolscape. Easy to install or retrofit in even the tightest spaces. A fully pre-mixed system with a highly efficient air and gas mixture lets MasterTemp heat up fast. No long waits before enjoying your pool or spa.ajw22. The Pentair burners are in a sealed burner pot and the only exits are the exhaust fan and the air intake. You have an air/gas mixture problem in the burners and when the mixture explodes the pressure can only be released through the exhaust and air intakes. That is why you see the air intake being blown off.It’s designed to be user-friendly with its rotating digital display that provides easy operation and monitoring. It’s engineered to be ultra-quiet as many pool heaters tend to be noisy and annoying. Thankfully, the ….