Pentair mastertemp 400 err ags

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I have the Pentair Mastertemp 400. After turning it on, it ignites, but then seems to shut off after a while. ... 1,605 satisfied customers. I have a pentair mastertemp 125 showing err afs, its one. its one year old, i havent even used it this year i have a 2 year warranty, no i have not cleaned or replaced anything ...Pentair MasterTemp 400 Common Problems [15 Easy Fixes] 1. Ignition Failure 2. Temperature Problems 3. Heater Keeps Shutting Off 4. Display Not Working …Mar 15, 2022 ... Comments · How to Repair Pentair Master Temp Error E05 or E06 · PENTAIR MASTERTEMP 400 POOL/SPA HEATER AFS AIR FLOW SWITCH ERROR LIGHT REPAIR.Have you given much thought to what your old age will look like? The Happiness Project suggests that we prepare ourselves as much as possible for a healthy old age—at least, as muc...Best for Pool & Spa Combos: Pentair MasterTemp Pool Heater 250K BTU; Best for Large Pools: Hayward 400,000 BTU Pool Heater; Best Overall: Pentair MasterTemp 400K BTU Pool Heater. Pentair is a leading company in the swimming pool industry. They made heaters, filters, pumps, salt systems, and more.The High-efficiency, High-tech Heater for Pools Up to 15,000 Gallons. The MasterTemp 125 Heater provides energy-savings and advanced operating features that were only available from much larger heaters. With its revolutionary pre-mixed gas combustion technology, the MasterTemp 125 Heater offers 82% thermal …Mastertemp Pool Heater Parts: https://amzn.to/391FMioAsk your Questions or search from our database of answers: https://askthepoolguy.com/questions/ask/ Make...

Looking for some fun scavenger hunt ideas? Read our article 5 Fun Scavenger Hunt Ideas now! Advertisement Sending your kids on a scavenger hunt is an easy way to keep them entertai...An Energy-Efficient and Economical Way to Heat Pools and Spas. The industry’s first heat pump charged with non-ozone depleting refrigerant, R410A. 100% titanium heat exchanger assures corrosion-free performance for extra long life. LCD control board displays an intuitive menu-driven read out with easy to follow full word …When in doubt, it’s wise to err on the side of caution and consult a professional. Regular professional servicing ensures longevity and peak performance of your Pentair MasterTemp 400. Conclusion. Navigating the challenges of your Pentair MasterTemp 400 doesn’t have to be a daunting task.If you are looking for information on how to maintain and troubleshoot your Pentair MasterTemp heater, you can find it in this wiki page. You can learn about the ...Does age impact the type of care you need and how people perceive bipolar disorder? Listen in as we discuss in this podcast episode. Did you know that age changes not only potentia...

Jan 3, 2023 · When in doubt, it’s wise to err on the side of caution and consult a professional. Regular professional servicing ensures longevity and peak performance of your Pentair MasterTemp 400. Conclusion. Navigating the challenges of your Pentair MasterTemp 400 doesn’t have to be a daunting task. Update it was the AGS sensor. Heater would completely shut off sometimes (lose all power) and randomly stop heating shortly after turning on. ... Pentair Mastertemp 400 Err SFS and also E06. Coz; Aug 31, 2023; Everything Else; Replies 16 Views 319. Everything Else Sep 3, 2023. wireform. W. T. Mastertemp …Feb 22, 2023 ... Comments1 · How to Repair Pentair Master Temp Error E05 or E06 · PENTAIR MASTERTEMP 400 POOL/SPA HEATER AFS AIR FLOW SWITCH ERROR LIGHT REPAIR.1. Incorrectly Set Temperature Control 2. Incorrect Wiring 3. Low Gas Pressure 4. Wet Or Damaged High Limit Switch 5. Shorted Or Defective AGS 6. …

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To reset the pentair mastertemp 400, follow these steps: Turn off the power to the heater. Locate the reset button, usually on the control board or near the display. Press and hold the reset button for about five seconds. Turn the power back on, and the heater should reset.There are five of these lights, starting from PS, HLS, AFS, AGS, and SFS LED lights. Each of these LED lights being lit is an error that your heater is self-diagnosing. …View online or download Pentair pool products MasterTemp 400HD Operation And Installation Manual, Operation & Installation Manual. Sign In Upload. Manuals; ... (AGS, AFS, HLS, PS Thermistor) 40. Burner / Heat Exchanger Troubleshooting. 42. ... Pentair Pool Products MiniMax NT Standard 400 ; Pentair Water NOCCHI NEWJET ...Summary of the content on the page No. 1 . TM MasterTemp CERTIFIED ® ® POOL AND SPA HEATER 120/240 VAC NATURAL GAS/LP GAS INSTALLATION and USER’S GUIDE MODELS Natural Propane 200K BTU/HR 460730 460731 250K BTU/HR 460732 460733 300K BTU/HR 460734 460735 400K BTU/HR 460736 …Nov 8, 2018 · PENTAIR MASTERTEMP 400 ERROR LIGHT LED EXPLAINED. PVT-PILOT. 1.67K subscribers. Subscribed. 97K views 5 years ago. WHAT DO THE ERROR LIGHTS/LEDS MEAN ON THE BACK OF THE CONTROL BOARD? IDENTIFY...

Sep 27, 2023 · The AGS trips (opens) when the internal water temperature exiting the heat exchanger is 140 or more. It is a backup to the high-limit switch which is set to open at 135. This is usually caused by too low a flow rate. 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 Low NOx Heater - Electronic Ignition - HD Cupro Nickel - Natural Gas - 400K BTU ASME - 461021. 4.7 (3 REVIEWS) Call (888) 836-6025 or contact us for pricing and to purchase. Parts …Hello. I have a problem with a fairly new Pentair Mastertemp 400 heater. I haven't found anyone with the exact problem so I'm posting the details here. The heater is about 1.5 years old. It's been working fine since it was installed. But the last 3 times I've tried to use it, it stops...The MasterTemp 400K has a rating of 400,000 BTUs. This is the same basically as 3-4 furnaces in a standard sized home which are generally kitted out with furnaces rated at between 100,000-150,000 BTUs. The HD (Heavy Duty) and ASME models ratings have upgraded components to prevent corrosion.Does sugar make us age faster? Visit HowStuffWorks to learn if sugar makes us age faster. Advertisement Most people avoid sugar for one particular reason -- eating too much sugar i...*Savings amount based on lab testing conducted using MasterTemp 400® heater in conjunction with IntelliFlo® VSF Pump and Bypass Kit, which includes IntelliValve® controlled by heater. Test Conditions: Pump flow rate: 50gpm. Pump run time: 3000 hours/yr. Heater run time: 100 hours/yr. Electrical Cost: $0.21 per kWh.September 10, 2023 by Sayed Sayeedur Rahman. To service the heater light on a pentair mastertemp, follow these steps: check the power supply, inspect the igniter and flame sensor, clean or replace any faulty parts, and reset the system if needed. These actions will ensure the heater light is functioning properly and heating the water ...Summary of the content on the page No. 1 . TM MasterTemp CERTIFIED ® ® POOL AND SPA HEATER 120/240 VAC NATURAL GAS/LP GAS INSTALLATION and USER’S …This is a Pentair 42002-0025S 140 degree Taped Automatic Gas Shut-Off Switch for Max-E-Therm and MasterTemp Heater Electrical Systems. Skip to content. SHOP. Departments Support . Close Help Menu. How can we help you? (800) 446-6416. Chat Contact. Help Center; Order Tracking;Wholesale Sensors Replacement for Pentair 42002-0025S 140F Automatic Gas Shutoff (AGS) Switch for Pool and Spa Heater Electrical Systems 12 Month Warranty. ... 5.0 out of 5 stars Fits Pentair MasterTemp 400 from 2012 despite being different outer diameter. Reviewed in the United States on February 16, 2022.Remember to send us the product warranty registration card for your new Pentair® and Sta-Rite® equipment. For the fastest service, please submit the warranty information online by clicking on the registration link below. Or, you can mail in your warranty card—just follow the instructions on your product registration warranty …

Page 2 Customer Service and Technical Support If you have questions about ordering Pentair Aquatic Systems replacement parts, and pool products, please call: (8 AM to 4:30 PM Pacific Time and Eastern Time) Phone: (800) 831-7133 - Fax: (800) 284-4151 Web sites: www.pentairpool.com - www.staritepool.com 475000 Rev.

To replace the ICM on a MasterTemp® or Max-E-Therm® Heater: CAUTION!: Before unplugging ICM connector plugs, be sure to match the wire label on both the existing and replacement wire harnesses. 1. MasterTemp Heater: Remove left side panel from the heater (Fig. 1 and Fig. 2). 2. Max-E-Therm Heater: Remove the …The MasterTemp 400K has a rating of 400,000 BTUs. This is the same basically as 3-4 furnaces in a standard sized home which are generally kitted out with furnaces rated at between 100,000-150,000 BTUs. The HD (Heavy Duty) and ASME models ratings have upgraded components to prevent corrosion.Look for blown or faulty control fuse. Change the faulty igniter and the bad ignition module. Finally, check the burner flame holder is securely grounded. 4. Mastertemp 250 Keeps Shutting Off. If your Pentair Mastertemp 250 heater keeps shutting off, it is sure the heater is not set at the correct temperature.pentair mastertemp 250 e05. Thread starter swoope; Start date Mar 9, 2019; Jump to latest Follow Reply Forums. Equipment - Build, Use, and Repair. ... Pentair Mastertemp 400 Err SFS and also E06. Coz; Aug 31, 2023; Everything Else; Replies 16 Views 259. Everything Else Sep 3, 2023. wireform. W.When installing any Pentair or Sta-Rite pool or spa heater, it is very important to have the proper amount of gas supplied to all Pentair or Sta-Rite Heaters ... Gas Pressure Requirements for MasterTemp, Max-E-Therm and E Ti 400 Pentair Water Heaters Maximum Inlet Minimum Inlet Manifold MT MT MT 14 -0.2 ± 0.1 14 -0.2 ± …Description: This recall involves Pentair Water Pool and Spa StaRite and Mastertemp pool heaters sold in various styles and models with manufacturing dates between December 22, 2020 and January 6, 2021. The manufacturing date, along with model number, can be found on the serial number sticker on the …*Savings amount based on lab testing conducted using MasterTemp 400® heater in conjunction with IntelliFlo® VSF Pump and Bypass Kit, which includes IntelliValve® controlled by heater. Test Conditions: Pump flow rate: 50gpm. Pump run time: 3000 hours/yr. Heater run time: 100 hours/yr. Electrical Cost: $0.21 per kWh.My pentair MT 400 fires up but the service heater light comes on and the heater shuts down after 15 to 20 seconds. The AGS sensor light light comes on. I have replaced the gas valve and the gas co. Has replaced both the regulator and the meter. I only get about 8.5 wc of gas pressure (static) and it drops to 0 at ignition.Even if the AGS sensor is in series with the valve, the circuit board is still monitoring the AGS circuit. The circuit board is reading the circuit as open when it's not open. In my opinion, the circuit board logic is shutting down the heater due to a misreading of the AGS circuit.

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Rev. M 1-8-15 MASTERTEMP ® Pool and Spa ... 250, 300 or 400 ) : Input rating (Btu/hr) X 1000 3) Fuel Type : (LP = Propane gas or NA = Natural gas) 4) Construction :(STD = Standard Model) (HD = Heavy Duty Model) ... ID DESIGNATOR FOR PENTAIR AQUATIC SYSTEMS MASTERTEMP HEATERS STD = STANDARD MODEL HD = HEAVY DUTY …AGS – Automatic Gas Shut-off Switch max = 140 degrees HLS – High Limit Sensor max = 135 degrees SFS – Stack Flue Sensor max = 480 degrees to display Stack Flue Temperature, hold down “Pool” button for 5-10 seconds Normally Open AFS - Air Flow Switch MUST be open for blower to turn on. After blower turns on MUST be closed (shorted)The only way to solve this issue is to replace the ICM. The following instructions will guide you through Pentair MasterTemp 400 Ignition control module replacement. Step 1: Remove the heater’s left side panel. There are four screws that need unscrewing. Step 2: Separate the Max-E-Therm heater from the system.Ultra-High ASME® certified performance in a compact, quiet and eco-friendly design for your commercial application. New bronze header design allows for easy access to the thermal regulator and bypass valve service without use of special tools. Upgrades to thermal regulator include a governing stainless steel sleeve for better wear …Remove the upper jackets halves from the heater (Fig. 2). FIG. 2. Loosen the two base nuts. Remove the 1/4" nut from flame holder plate. (Fig. 3). Insert a flat blade screwdriver between the bottom gasket and the flame holder and pry up the flame holder. Slide the ground wire with strip end between flame holder and bottom gasket.pentair mastertemp 250 e05. Thread starter swoope; Start date Mar 9, 2019; Jump to latest Follow Reply Forums. Equipment - Build, Use, and Repair. ... Pentair Mastertemp 400 Err SFS and also E06. Coz; Aug 31, 2023; Everything Else; Replies 16 Views 259. Everything Else Sep 3, 2023. wireform. W.The E01 is open water temperature sensor. If the water temperature sensor and the wiring are good, that would indicate a bad control board. I would start by replacing the control board. You might also need the membrane pad if that looks bad, but I would try the control board first.*Savings amount based on lab testing conducted using MasterTemp 400® heater in conjunction with IntelliFlo® VSF Pump and Bypass Kit, which includes IntelliValve® controlled by heater. Test Conditions: Pump flow rate: 50gpm. Pump run time: 3000 hours/yr. Heater run time: 100 hours/yr. Electrical Cost: $0.21 per kWh.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 automatic bypass to help you ensure your pool is ready whenever you are. Smart connectivity via the Pentair IntelliCenter® Control … Home - Trouble Free Pool | Trouble Free Pool The gas pressure to the Pentair pool heater often gets obstructed due to clogged gas pipes, incorrect pressure settings, and turned off gas valves. These factors prevent the gas from reaching the heater and performing properly. ….

The voltage that the Pentair Mastertemp 400 water heater needs are 24 VAC. Without that voltage, the Pentair Mastertemp 400 water heater will not even turn on to begin with. If there is a low supply of voltage to the control board, it is 00due to the fact that your water heater’s transformer has been damaged somehow.Pentair Mastertemp 400 CLUNCK. Thread starter Kbendon; Start date Dec 26, 2015; Jump to latest Follow Reply Forums. Water Chemistry. Spas and Hot Tubs . K. Kbendon 0. May 27, 2011 ... Installed new manifold with new thermo-regulator and clean AGS, TC, and HLS. Same issue so I figure from other posts …PentairMasterTemp Max-E-Therm 140F Pool Heater AGS Gas Shutoff Switch 42002-0025S $ 28.56. In Store $26.99. Add to cart. 3 DAY SHIPPING AVAILABLE! ... 175 / 200 / 250 / 300 / 333 / 400; Pentair MasterTemp Sta-Rite Max-E-Therm Heater Repair Professional Replacement Parts Set Package Case 461100 Includes the …Remove the upper jackets halves from the heater (Fig. 2). FIG. 2. Loosen the two base nuts. Remove the 1/4" nut from flame holder plate. (Fig. 3). Insert a flat blade screwdriver between the bottom gasket and the flame holder and pry up the flame holder. Slide the ground wire with strip end between flame holder and bottom gasket.Pentair Mastertemp Owner’s Manual Models 200, 250, 300, 400 For pool heater parts, equipment and any pool accessories, visit www.torontopoolsupplies.ca 1-844-416-7665 • 416-623-9334 ... thermostats may err in regulating water temperatures by as much as 4° F (2.2° C). 5. Persons with a medical history of heart disease, …VANCOUVER, BC, June 9, 2021 /CNW/ - Etruscus Resources Corp. (CSE: ETR) (OTC: ETRUF) (FSE: ERR) (the 'Company' or 'Etruscus') announces that the C... VANCOUVER, BC, June 9, 2021 /C...Quick video showing the Optimum Pool Technologies replacement of the Pentair Mastertemp high limit switch.It might be time to replace this switch if your Mas...Salt Generating System – Pentair intelliChlor; Salt Systems; Salt Systems and Electrolysis; Staining: Manganese; Swimming Pool System {How it Works} Plumbing & Valves; Pumps; Sand Filters; Tru-Tile by Latham Industries in Vinyl and Hybrid Pools; Variable Speed Pump – Pentair intelliFlo; Vinyl Liners – … Pentair mastertemp 400 err ags, Pentair MasterTemp Heaters - Further Reading www.troublefreepool.com It might be a bad thermistor, bad wiring or maybe a bad circuit board. ... Pentair Mastertemp 400 Err SFS and also E06. Coz; Aug 31, 2023; Everything Else; Replies 16 Views 324. ... Pentair mastertemp 400 ng - Service …, Apr 8, 2022 · Pentair MasterTemp 400 Service Heater Light On [5 Easy Fixes] 1. PS – Pressure Switch Error. 2. HLS – High Limit Switch Error. 3. AFS – Air Flow Switch Error. 4. AGS- Automatic Gas Shutoff Error. 5. SFS- Stack Flow Switch Error. FAQs: Why does my Pentair pool heater cycle on and off? How do I turn off the gas to my pool? , Aug 12, 2017 ... ... error (HLS) on a Pentair Mastertemp 400 gas pool heater. TDK DJMASK ... Pentair Mastertemp 250 pool heater “Not heating” problem solved(Bad AGS ..., Best for Pool & Spa Combos: Pentair MasterTemp Pool Heater 250K BTU; Best for Large Pools: Hayward 400,000 BTU Pool Heater; Best Overall: Pentair MasterTemp 400K BTU Pool Heater. Pentair is a leading company in the swimming pool industry. They made heaters, filters, pumps, salt systems, and more., MasterTemp Low Nox - Natural Gas - 300k BTU - 460734. $3,363.64. MasterTemp Low Nox - Natural Gas - 400k BTU - EC-462028. $4,199.00. Indoor Vertical Venting - Negative Pressure 4x6 Metal Flue Collar for Distances Less Than 8' | 77707-0076. $170.40. Indoor Vertical Venting - Negative Pressure 4x8 Metal …, Reason 1: The flow of water to the heater has reduced. Solution: Servicing on the pump or on the filter will fix this issue. Reason 2: Plugging of the exchanger. Solution: Alter the chemistry of the water and reach an equilibrium. You could also take the heat exchanger for servicing. , Hi, I have a pentair master temp heater for an above ground pool. Gas. 2 years old. Turned it on and service heater light came on. It would run a few minutes with gas and heat up then turn off., Hello. I have a problem with a fairly new Pentair Mastertemp 400 heater. I haven't found anyone with the exact problem so I'm posting the details here. The heater is about 1.5 years old. It's been working fine since it was installed. But the last 3 times I've tried to use it, it stops..., Home - Trouble Free Pool | Trouble Free Pool , Your Pentair MasterTemp 400 wrong temperature being displayed can be caused by a faulty thermistor, wet heater parts, broken thermal regulator, bad manifold bypass, and malfunctioning control board. Read our article to troubleshoot your Pentair MasterTemp 400. Pentair MasterTemp 400 Wrong Temperature [5 Easy Fixes] We will …, When installing any Pentair or Sta-Rite pool or spa heater, it is very important to have the proper amount of gas supplied to all Pentair or Sta-Rite Heaters ... Gas Pressure Requirements for MasterTemp, Max-E-Therm and E Ti 400 Pentair Water Heaters Maximum Inlet Minimum Inlet Manifold MT MT MT 14 -0.2 ± 0.1 14 -0.2 ± …, The AGS trips (opens) when the internal water temperature exiting the heat exchanger is 140 or more. It is a backup to the high-limit switch which is set to open at …, Jun 5, 2021 ... Pentair mastertemp 400 heater transformer repair ... AGS sensor) ....Here's how I...! Mopar4Life ... Troubleshooting a high limit sensor error (HLS) ..., AFS stands for airflow switch. The AFS being open will cause this error message to pop on your screen. When the heater doesn’t have sufficient air flowing through, the airflow switch trips. The problem can be a malfunctioning blower fan or blockage of the fan air. See more, MASTERTEMP® HEATER PRESSURE RELIEF VALVE KIT [P/N 460925) READ AND FOLLOW ALL INSTRUCTIONS - SAVE THESE INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS • Pressure relief valve qty. 1 • Brass elbow 90° qty. 1 • ¾" x 3.5" brass nipple qty. 1 • ¾" x 2.5" brass nipple …, I'm having trouble with my Mastertemp 400 also, same problem as this one. ... Pentair MasterTemp 400 problem SFS is the stack flu sensor. ... Pentair Mastertemp 400 Err SFS and also E06. Coz; Aug 31, 2023; Everything Else; Replies 16 Views 331. Everything Else Sep 3, 2023., Looking for some fun scavenger hunt ideas? Read our article 5 Fun Scavenger Hunt Ideas now! Advertisement Sending your kids on a scavenger hunt is an easy way to keep them entertai..., VANCOUVER, BC, June 9, 2021 /CNW/ - Etruscus Resources Corp. (CSE: ETR) (OTC: ETRUF) (FSE: ERR) (the 'Company' or 'Etruscus') announces that the C... VANCOUVER, BC, June 9, 2021 /C..., Apr 8, 2022 · Pentair MasterTemp 400 Service Heater Light On [5 Easy Fixes] 1. PS – Pressure Switch Error. 2. HLS – High Limit Switch Error. 3. AFS – Air Flow Switch Error. 4. AGS- Automatic Gas Shutoff Error. 5. SFS- Stack Flow Switch Error. FAQs: Why does my Pentair pool heater cycle on and off? How do I turn off the gas to my pool? , 140°F / 60°C AGS Limit Switch for Pentair Mastertemp, Waterco Turbotemp, Sta-Rite Max-E-Therm Gas Pool & Spa Heaters - 200 / 300 / 400 HD models. Choose Number on Diagram for spare part and picture from the dropdown menu. Often corrode and cause an AGS fault. Number 5. in the Diagram. Pentair Mastertemp …, Remove the upper jackets halves from the heater (Fig. 2). FIG. 2. Loosen the two base nuts. Remove the 1/4" nut from flame holder plate. (Fig. 3). Insert a flat blade screwdriver between the bottom gasket and the flame holder and pry up the flame holder. Slide the ground wire with strip end between flame holder and bottom gasket., 1620 HAWKINS AVE., SANFORD, NC 27330 • (919) 566-8000 10951 WEST LOS ANGELES AVE., MOORPARK, CA 93021 • (805) 553-5000 ALL INDICATED PENTAIR TRADEMARKS AND LOGOS ARE PROPERTY OF PENTAIR INC. OR ITS GLOBAL AFFILIATES IN THE U.S.A. AND/OR OTHER COUNTRIES. THIRD PARTY REGISTERED AND UNREGISTERED TRADEMARKS AND LOGOS ARE THE PROPERTY OF THEIR ... , 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 …, 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 automatic bypass to help you ensure your pool is ready whenever you are. Smart connectivity via the Pentair IntelliCenter® Control …, Pentair MasterTemp 460732 Operation & Installation Manual (56 pages) 120/240 VAC NATURAL GAS/LP GAS MasterTemp Pool & Spa Heater. Brand: Pentair | Category: Swimming Pool Heater | Size: 4.08 MB. Table of Contents. , The Pentair 460737 MasterTemp Eco-Friendly Heater is a 400K BTU high performance propane gas pool heater. It’s certified for low NOx emission and outperforms industry standards. It has a rotating digital display for easy viewing and a tough, weatherproof and rustproof exterior. Fast and economical, it offers best-in …, If you are looking for information on how to maintain and troubleshoot your Pentair MasterTemp heater, you can find it in this wiki page. You can learn about the ..., This replacement 42001-0063s limit switch is designed to detect when the water temperature exceeds safer limits, this switch is an important piece in any Max-E-Therm or MasterTemp pool heater; Compatibility . Replacement High Limit Switch for Pentair Sta-Rite MasterTemp (All Models) & Max-E-Therm Pool …, Pentair MasterTemp High Performance Pool and Spa Heaters 400NA (Natural Gas) | EC-462028. SKU: EC-462028. Price Regular price $5,42900$5,429.00Sale price$4,19900$4,199.00Save $1,230. Low stock - 2 items left., Best for Pool & Spa Combos: Pentair MasterTemp Pool Heater 250K BTU; Best for Large Pools: Hayward 400,000 BTU Pool Heater; Best Overall: Pentair MasterTemp 400K BTU Pool Heater. Pentair is a leading company in the swimming pool industry. They made heaters, filters, pumps, salt systems, and more., Look for blown or faulty control fuse. Change the faulty igniter and the bad ignition module. Finally, check the burner flame holder is securely grounded. 4. Mastertemp 250 Keeps Shutting Off. If your Pentair Mastertemp 250 heater keeps shutting off, it is sure the heater is not set at the correct temperature., If you are looking for information on how to maintain and troubleshoot your Pentair MasterTemp heater, you can find it in this wiki page. You can learn about the ..., The JXi is a copy of the mastertemp. I slightly favor the JXi because I like Jandy electronics a bit more and the versaflo is awesome. Selfishly, the JXi is also easier to work on with how the access panels and such are set up. Also, the mastertemp only has a 2 year warranty through Pentair and the JXi only has a 1 year full warranty, …