Pentair mastertemp 400 air flow switch

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. ... Flow Rate : 120 gpm : Brand: Pentair. REVIEWS Q&A PARTS | ))))) ... Pentair MasterTemp HD Low NOx Pool Heater - Electronic Ignition - Cupro Nickel - Natural Gas - 400,000 BTU HD - 460805 ...

Pentair mastertemp 400 air flow switch. MasterTemp 125 Air Blower Kit - Propane. Write a Review. Allow 1-2 Months to Ship. $569.16. & ships free! This item is not currently in stock, but we can order it directly from the manufacturer for you. They have informed us that this product could have an extended or unknown lead time due to a nationwide manufacturing backlog of swimming pool ...

Swimables Air Flow Switch Compatible with Pentair Pool Heater Parts 42001-0061S - Compatible with Pentair Mastertemp and Starite Max E Therm Pool and Spa Water Heater ... Foserove 42002-0025S 140F Automatic Gas Shutoff Switch Replacement for Pentair MasterTemp & Max-E-Therm Pool and Spa Heater Electrical Systems. ... STD ASME natural gas pool ...

13. Connect the Air Flow Switch. (Fig. 13). FIG. 13. FIG. 16. FIG. 14. 17. Connect 5-pin plug into the ICM from the wire harness. If the heater has the legacy ICM. Connect the 5-pin wire adapter (476212) to the corresponding terminal in the ICM (lower left side). Connect the other end of the adapter to the corre-sponding wires in the wire ...Pentair MasterTemp Low NOx Pool Heater - Electronic Ignition - Propane - 400,000 BTU | EC-462029. Ultra-High Performance in a Compact, Quiet & Eco-Friendly Design. MasterTemp Heaters offer all the efficiency, convenience and reliability features you want in a pool heater, plus a lot more. As easy to use as your home heating system, plus, user ...If the water flow is restricted, the water pressure switch may prevent the burner from firing and cause the “Service System” light to go on. If the light remains on after the filter has been serviced, have a qualified service technician check the system. Replaces: Pentair® 42001-0060S (3902 & 3903) Compatible With: Pentair® MasterTemp 400 LP.To troubleshoot the service heater light on your pentair mastertemp 400 pool heater, first, clean the filter and ensure there is no blockage in the venting system. Check the gas valve and gas supply for any issues. If the problem persists, contact a professional for repair or replacement.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 protection.

Double-check all the wiring connections and replace any damaged wires. Ensure that all the connections are tight. The Pentair MasterTemp 400 wiring diagram given below should guide you. 3. Low Gas Pressure. Low gas pressure can be why your Pentair MasterTemp 400 keeps shutting off. Your heater can’t operate without …How often should you switch perfumes? Find out how often you should switch out your perfumes in this article. Advertisement For some of us, the art of wearing perfume is in an aren...If you determine your air flow sensor switch may be the cause of your swimming pool heater issue you can purchase a replacement switch at the following link: ... or broken manifold on your Pentair Mastertemp 125, 250, or 400, Pentair has provided instructions for how to replace this part in their Sta-Rite Max-E-Therm Heater Manifold Replacement ...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. ... pressure within the blower housing. The air flow switch is factory set and is ...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 enables you to manage pool ...Step 4: Inspect The Ags Sensors. The ags sensors on your pentair pool heater can also cause ags errors. Turn off your pool pump. Disconnect the ags sensor from the control board. Measure the resistance of the sensor using a multimeter. If the resistance is out of range, you need to replace the sensor.

Share and Enjoy: June 7th, 2019 | Tags: error, flow, heater, light, mastertemp, pentair, pool, repair, switch| Comments ClosedSwimables Air Flow Switch Compatible with Pentair Pool Heater Parts 42001-0061S - Compatible with Pentair Mastertemp and Starite Max E Therm Pool and Spa Water Heater dummy Swimables Control Board Kit Compatible with Mastertemp & Max-E-Therm Pentair Pool and Spa Heater 42002-0007s- Compatible with All NA and LP Series Pool/Spa Heater Electrical ...When your Pentair MasterTemp 400 signals a service heater light, it's alerting you to a potential issue that needs your attention. Understanding what causes this light to turn on is crucial for maintaining your pool's comfort and extending the life of your heater. In this article, you'll discover the common triggers for the service heater light and …Gas Shutoff Switch Compatible Replacement for Pentair MasterTemp & Max-E-Therm Pool Heaters . The Gas Shutoff Switch is an important switch in your Max-E-Therm or MasterTemp pool heater, and is used to detect when your heat exchanger outlet temperature has exceeded a safe level (140°F) and the switch immediately opens when that happens.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 efficiency, the highest in its class.

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PentairServing customers since 1999. Free Shipping on orders over $100 Toll Free Support M-F 9 to 5 ET 800-877-1268. Subscribe & SaveOK, I have installed a new Pentair MasterTemp 400 and connected it to my Aqualink RS control system. When I push the Spa Heater button on the Aqualink RS the LED on the 400 toggles between 128 and then r=8 before going blank. ... Bypassing the Air Flow Switch extinguishes the AFS LED and allows the gas valve to open after the standard twenty ...Page 15: Safety Controls (Air Flow Switch, Water Pressure Switch, High Limit Shut-Off Switch) There is one Air Flow Switch (AFS) with a control set point of 0.5”WC. This set point is not the same as other Pentair pool heaters, (see Figure 3). The AFS is designed as a safety device to ensure the combustion air blower is operating and is ...

Pentair Air Flow Switch. $219.99. SKU: 42001-0061S. Manufacturer: Pentair. Availability: In stock. Quantity: + −. I acknowledge that all replacement parts are final sale and installation of this product must be performed by a professional technician; self-installation can void manufacturer's warranty. Add to Cart.Apr 30, 2019 · Quick video showing the Optimum Pool Technologies replacement of the Pentair Mastertemp pressure switch.It might be time to replace this switch if your Maste...>Pool Supply Unlimited has some of the best prices when shopping for Pentair MasterTemp & Sta-Rite Max-E-Therm Air Gas Shutoff (AGS) Switch | 42002-0025S // Initialize Pentair / Channel Advisor Sales Reporting sTrack.initialise(); ... Pentair MasterTemp & Sta-Rite Max-E-Therm Air Gas Shutoff (AGS) Switch | 42002-0025S $ 50.72. For Use With: Max ...Pentair Air Flow Switch. $219.99. SKU: 42001-0061S. Manufacturer: Pentair. Availability: In stock. Quantity: + −. I acknowledge that all replacement parts are final sale and installation of this product must be performed by a professional technician; self-installation can void manufacturer's warranty. Add to Cart.Spare Parts For Pentair Mastertemp, Waterco Turbotemp, Sta-Rite Max-E-Therm Gas Pool & Spa Heaters. 200 / 300 / 400 HD models. Choose parts below: 1. Visor 2. / 3. / 4. Igniter & Gasket Kit 5. AGS Switch 60°C / 140°F 6. HLS Switch 55°C / 131°F 6b. 45°C Switch 7. Thermistor / Temperature Sensor 8. Terminial BoarHere's an excerpt from the heater manual: To connect a 2-Wire Control (such as Pentair’s IntelliTouch or EasyTouch) or a timer: * Remove the factory installed jumper from the Fireman’s Switch terminals. * Connect wires between the Fireman’s Switch terminals on the heater and the relay. Connect wires from the controller or timer to the ...Get the 77707-0253 Mastertemp Burner System Max-E-Therm Heater Burner System Air Blower Kit Natural Gas Units - 400Na Model from Pentair. Save on tons of great Pentair products and receive top-notch service with Wild West.AIR FLOW SWITCH (AFS) The air flow switch, (see Figure 38), is a safety device used to insure that the combustion air blower (fan) is operating and has been designed to monitor the vacuum (negative) pressure within the blower housing. The air flow switch is factory set and is connected upstream of the ignition module.Safety Controls (Air Flow Switch / Water Pressure Switch / Hight Limits / Operation of Ignitiion Module) 42 Control Panel / Menu Navigation / Operating the Heater

Pentair® 42001-0061S Air Flow Switch For Max-E-Therm® and MasterTemp® Heater Electrical System. Compatible With: Pentair® MasterTemp & Max-E-Therm® Pool Heaters. Statements of compatibility here are 100% guaranteed by Pool Guy Supply, Inc. and are not attributable to or made by Hayward® or any other original equipment manufacturer (OEM ...

Aug 31, 2014 ... Comments55 · PENTAIR MASTERTEMP 400 POOL/SPA HEATER AFS AIR FLOW SWITCH ERROR LIGHT REPAIR · Sta-Rite Max-E-Therm Pool Heater Service and Manifold&nb...PentairSwimables Air Flow Switch Compatible with Pentair Pool Heater Parts 42001-0061S - Compatible with Pentair Mastertemp and Starite Max E Therm Pool and Spa Water Heater. $79.99 $ 79. 99. ... pentair mastertemp 400 parts. hot tub manifold. manifold pentair. mastertemp 400 manifold. pentair manifold replacement. Next page.DO NOT store or use gasoline or other flammable vapors and liquids in the vicinity of this or other appliances. Pentair Water Pool and Spa, Inc. 1620 Hawkins Ave., Sanford, NC …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.Customer Service. If you have questions about ordering Pentair Water Pool and Spa, Inc. replacement parts, and pool products, please use the following contact information. Customer Service and Technical Support, AUS. (9 AM - 5PM, Mon - Fri, Australia Wide) Phone: 1300 137 344 Fax: 1800 006 668.Control Board: American Engineering Heavy Duty Hardware, Compatible With: Mastertemp and Starite Heaters. Air Flow Switch: Designed to work with Pentair Mastertemp 400 parts, 300, 200, and Pentair Mastertemp 125 low nox pool heater parts. It will also work with all Sta-Rite Heaters. Membrane Pad: Manufactured with a 100% gold dome to …

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Pentair, 200-400 BTU Max-E-Therm & MasterTemp, Water Pressure Switch, 42001-0060S Toggle Nav. My Cart. Search. Search: Track Order ... If the water flow is restricted, the water pressure switch may prevent the burner from firing and cause the "Service System" light to go on. If the light remains on after the filter has been serviced, have a ...High Limit Switch Thermal Regulator ERR AFS – Air Flow Switch. ERR AFS or AFS indicates a blockage of air or low flow of air. This could be due to a bad blower motor, …All MasterTemp® 125 heaters are designed with a direct ignition device, HSI (hot-surface ignition), which eliminates the need for a standing pilot. The MasterTemp® 125 heater requires an external power source (120/240 VAC 60 Hz) to operate. SPECIAL INSTRUCTIONS TO OWNER: Retain this manual for future reference.400HD (400 MJ/h) 460944 460947 FOR YOUR SAFETY – This product must be installed and serviced by authorized personnel, qualified in pool/spa heater installation. Improper installation and/or operation can create carbon monoxide gas and flue gases which can cause serious injury, property damage, or death. As an additional measure of safety, …Pentair Pool Products Manifold Kit, Pentair MasterTemp 400/Max-E-Therm 400 Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best)Pentair 42001-0061S Air Flow Switch For Max-E-Therm and MasterTemp® Heater Electrical System. Follow on Facebook Follow on YouTube. ... PENTAIR Air Flow Switch for Max-E-Therm and MasterTemp Heater Electrical System 42001-0061S. $115.95. In Stock In Stock Out of stock.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. ... Flow Rate : 120 gpm : Brand: Pentair. REVIEWS Q&A PARTS | )))) ... Pentair MasterTemp Low NOx Pool Heater - Electronic Ignition - Propane - 400,000 BTU ASME - 460776 ...Water pressure switch replacement ; Fits Pentair MiniMax NT STD heater with 6800 controller, PowerMax and MiniMax Plus heater models 150, 200, 250, 300, 350, 400 ; Also fits Pentair MiniMax and PowerMax commercial heaters ; Compatible with Pentair MiniMax commercial heater with CSD-1 controls and MiniMax commercial low NOx heaterPentair Water Australia Pty. Ltd.s AU/NZ - Head Office 1-21 Monash Drive, Dandenong South, Victoria 3175 - Australia • 1300.137.344 • Fax 1800.006.668 ... MasterTemp 2) Model Size: (200, 300 or 400) : Input rating (Mega Joule [MJ]/hr) ... VICINITY OF THE POOL OR SPA AND GET INTO FRESH AIR IMMEDIATELY. THE POOL HEATER ….

Here's an excerpt from the heater manual: To connect a 2-Wire Control (such as Pentair’s IntelliTouch or EasyTouch) or a timer: * Remove the factory installed jumper from the Fireman’s Switch terminals. * Connect wires between the Fireman’s Switch terminals on the heater and the relay. Connect wires from the controller or timer to the ...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.B-5 Air Blower Kit - Natural Gas Item Number: 777070251. Details: Sta-Rite Pool Products Part Number 77707-0251. Used On Pentair Mastertemp® Heaters. Model 200NA. Used On Sta-Rite Max-E-Therm Heaters. 200NA Model (Single Volt Blower Adapter Included) View More Details. Price: $692.53.pentair problems. Hi there! My mastertemp 250 pool heater is recylcing heat (turning off and on) about every 1 minute. I cleaned and backwashed filter and I am getting great water flow. So I checked t … read moreAir Flow Switch: SFS: Stack Flue Sensor: E01: Temperature Sensor: E02: High Limit Sensor: E03: Thermal Fuse Error: E04: Fan Sensor: E05: Stack Flue Sensor: Pentair MasterTemp Electrical Troubleshooting: The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. As ...Air Flow Switch Replacement; Fits Pentair Sta-Rite Max-E-Therm Pool And Spa Heaters Electrical System; Also Fits Pentair Mastertemp Pool And Spa Heaters Electrical Systems; Country Of Origin: United States; Brands: Pentair. In stock. Pentair Air Flow Switch 42001-0061S Master Temp quantity.A relay switch may be used to regulate the flow of current between a circuit and device. Relay switches make it the transfer of current safe, particularly if the circuit and the ou...Nous voudrions effectuer une description ici mais le site que vous consultez ne nous en laisse pas la possibilité.It doesn't matter whether you're an artist or a businessperson, we all require a little creative thinking in our work. If you find you're getting stuck, here are some of the best w...Pentair Pentair mastertemp 400 air flow switch, View and Download Pentair Pool Products MASTERTEMP 250K BTU/HR installation and user manual online. POOL AND SPA HEATER 120/240 VAC NATURAL GAS/LP GAS. MASTERTEMP 250K BTU/HR swimming pool heater pdf manual download. ... Ignition Control Module Transformer, 115/230V Air Flow Switch Control Board Kit (NA, LP Series) ..., Savings 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. System TDH: Heater and Bypass Kit added ..., Description. Thermistor or Temperature Sensor for Pentair Mastertemp, Waterco Turbotemp, Sta-Rite Max-E-Therm Gas Pool & Spa Heaters - 200 / 300 / 400 HD models. Commonly corrode, damaging the sensor and causing an E05 fault, or incorrect temperature. Number 7. in the Diagram. New version is fully stainless steel instead of the chrome-plated brass., Apr 8, 2022 · When the airflow switch is open, the Pentair MasterTemp 400 AFS LED will light up on the back of your control board. In less than a minute after turning on a Pentair heater, the system’s airflow is optimized., OK, I have installed a new Pentair MasterTemp 400 and connected it to my Aqualink RS control system. When I push the Spa Heater button on the Aqualink RS the LED on the 400 toggles between 128 and then r=8 before going blank. ... Bypassing the Air Flow Switch extinguishes the AFS LED and allows the gas valve to open after the standard twenty ..., Get the best deals on pentair mastertemp 400 when you shop the largest online selection at eBay.com. Free shipping on many items ... New Listing Pentair 77707-0253 400K NA Combustion Air Blower , MasterTemp / Max-E-Therm (2) ... OEM Genuine Sta-Rite Pentair Water Pressure Switch for MasterTemp 42001-0060S. $34.99. or Best Offer. $5.35 shipping., You will need a screwdriver for this. Step 2: You then need to take apart the Max-E-Therm heater from the system. Disconnect the wires to the ICM. Step 3: Two mounting screws hold the ICM in place. Unscrew them to take the ICM off the heater. Step 4: Now take the new ICM and put it in the Junction Box chamber., If the water flow is restricted, the water pressure switch may prevent the burner from firing and cause the “Service System” light to go on. If the light remains on after the filter has been serviced, have a qualified service technician check the system. Replaces: Pentair® 42001-0060S (3902 & 3903) Compatible With: Pentair® MasterTemp 400 LP., 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 enables you to manage pool functions anytime, anywhere. Full-text digital display combines new ..., Pentair, Quick video showing the Optimum Pool Technologies replacement of the Pentair Mastertemp gas shutoff switch.It might be time to replace this switch if your Ma..., Swimables Heater Repair Kit for Pentair Mastertemp and Starite Max-E-Therm Pool and Spa Heater - Mega Bundle Includes - Thermistor 42001-0053S, Stack Flue Sensor 42002-0024S, HLS 42001-0063S, AGS 42002-0025S, Igniter 77707-0054, Thermal Regulator 77707-0010, Control Board 42002-0007s, Membrane Pad 42002-0029Z472610Z, Manifold Oring Set 77707-0120, Bypass Valve 77707-0001, and Air Flow Switch ..., When the airflow switch is open, the Pentair MasterTemp 400 AFS LED will light up on the back of your control board. In less than a minute after turning on a Pentair heater, the system's airflow is optimized., Flow Valve Assembly Replacement ; Fits Pentair Minimax Ch Pool And Spa Heater Models 150 Iid, 150, 200, 250, 300, 350, 400 ; Fits Pentair Minimax Nt Std, Nt Ln, Nt Tsi Pool And Spa Heater Models 200, 250, 300, 400 ; Country Of Origin: United States, Control Board: American Engineering Heavy Duty Hardware, Compatible With: Mastertemp and Starite Heaters. Air Flow Switch: Designed to work with Pentair Mastertemp 400 parts, 300, 200, and Pentair Mastertemp 125 low nox pool heater parts. It will also work with all Sta-Rite Heaters., Control Board: American Engineering Heavy Duty Hardware, Compatible With: Mastertemp and Starite Heaters. Air Flow Switch: Designed to work with Pentair Mastertemp 400 parts, 300, 200, and Pentair Mastertemp 125 low nox pool heater parts. It will also work with all Sta-Rite Heaters. Membrane Pad: Manufactured with a 100% gold dome to ensure the buttons can be pressed up to 1 million times., 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 protection., Find all of the Pentair MasterTemp Heater Electrical System Parts to keep you pool heater working strong each season. Free Shipping for Pool Perks members. Sign up now. ... Replacement Air Flow Switch for Sta-Rite Max-E-Therm and Pentair MasterTemp Pool Heaters. Availability: In Stock $174.99 Add to Cart ..., Manifold Kit Pentair MasterTemp 400/Max-E-Therm 400 77707-0016. Toggle menu. Welcome to Pool Spa [email protected] (512) 942-0335 ... Flow Switches; Fuses; GFCI; Hi Limit Sensors; Pressure Switches; Relays; Sensors; Switches; Terminals; Thermostats; ... Air Controls; Auto Leveler Valves; Check Valves; Diverter Valves; Drain ..., MasterTemp Heater: Remove left side panel from the heater (Fig. 1 and Fig. 2). FIG. 1. MasterTempSTD Heater MasterTemp 125 Heater FIG. 2. CAUTION!: Before unplugging ICM connector plugs, be sure to match the wire identification on both the existing and replacement wire harnesses. CAUTION! Before starting: Always disconnect AC power to …, Summary of Contents for Pentair Pool Products MasterTemp 200HD. Page 1 For additional free copies of this manual; call 1800 664 266 - AUS. Pentair Water AU/NZ - Head Office - 2 Redwood Drive, Notting Hill, VIC 3168 - AUS • +61 3 9574-4000 • 1800 664 266 Pentair Water Pool and Spa, Inc., Here's an excerpt from the heater manual: To connect a 2-Wire Control (such as Pentair's IntelliTouch or EasyTouch) or a timer: * Remove the factory installed jumper from the Fireman's Switch terminals. * Connect wires between the Fireman's Switch terminals on the heater and the relay. Connect wires from the controller or timer to the ..., This item: Pentair Mastertemp 400K BTU Natural Gas 460736 $3,149.00. NG to Propane Conversion Kit Model 400 $39.00 [view detail] Mastertemp Indoor Adapter Kit 300 400 BTU $129.00 [view detail] Intelliflo3 VSF 3HP 230V 2-3 in. plumbing with WIFI $1,699.00 [view detail] Description. Warranty. User manual., Problems with a flooded Pentair Master Temp 400 heater: 1. No blower operation, producing Service Heater (front) and AFS (back) LED lights on the control panel. The Fenwal Ignition Control Module blinked to indicate an "Air Flow Fault." I removed the back metal cover of the blower motor and sprayed anything that moved with lithium grease., Pentair MasterTemp 400 propane heater would not even turn on- no lights, nothing! Mice had lived in and trashed the heater (see pics). My pool guy says first thing we need is a new wire harness for $700 and a new igniter. Seemed really high so went to amazon and found the harness for $130 and igniter for around $40., A propane engine works similar to a regular gas motor. The propane is pulled from the tank and is switched to a vapor to allow it run into the fuel lines. The vapor is passed throu..., Safety Controls (Air Flow Switch / Water Pressure Switch / Hight Limits / Operation of Ignitiion Module) 42 Control Panel / Menu Navigation / Operating the Heater, Pool heater failing to ignite gas. Easy troubleshooting and repair., Pentair MasterTemp HD Low NOx Pool Heater - Electronic Ignition - Cupro Nickel - Natural Gas - 400,000 BTU HD - 460805 . Call (888) 836-6025 or contact us for pricing and to purchase. Ultra-High Performance in a Compact, Quiet & Eco-Friendly Design . MasterTemp Heaters offer all the efficiency, convenience and reliability features you …, This Pentair flow switch is compatible with a wide variety of pool heater models and brands, including Sta-Rite Max-E-Therm and Pentair MasterTemp. We deliver your Pentair Master Temp air flow switch …, Pentair, 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 flue therm rite sta mastertemp. Starite max-e-therm sr-200, 333, 400 heater pool air flow switch 42001Flue sensor pentair therm replaces mastertemp rite Heater rite flueMastertemp flue stack pentair fa7e abfd 4bdb inyopools.