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Discovering why your Pentair MasterTemp 400 shuts off unexpectedly can be perplexing. However, understanding the common culprits is your first step toward a more reliable pool heating experience. Faulty High-Limit Switch: This safety device prevents overheating but may malfunction, causing premature shutdowns.Call (800) 831-7133 for additional free copies of these instructions.StaRite - Air Flow Switch, Pentair Max-E-Therm/MasterTemp - 42001-0061SReplaces: 223152106158 , 42001-0059S , 420010061S , 604344 , 6290-140 , STA-151-7186 ...Pentair | 42001-0061S | Air Flow Switch for Sta-Rite Max-E-Therm and MasterTemp Heaters. SKU#: 42001-0061S. $119.99. Also Fits Pentair Mastertemp Pool And Spa Heaters Electrical Systems. See Details. Skip to the end of the images gallery. Skip to the beginning of the images gallery. Product Details.Pentair Mastertemp 400 gas pool heater cycling due to a high limit sensor error. Three potential causes addressed: High limit sensor, thermal regulator, bypa...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 ...PentairHello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. It does heat the spa about 1 degree every cycle. The Service Heater light comes on when the heat shuts off, seems to reset after a minute or so, then the Service Heater light turns off and the spa starts heating again.This is a Pentair Air Flow Switch for the Max-E-Therm and MasterTemp Heater Electrical Systems. Product Features. Genuine Pentair replacement switch. Related Part Schematics. Pentair MasterTemp 125 Heater Electrical System Parts (15 parts) Pentair Mastertemp Heater Electrical Parts (16 parts)Pentair MasterTemp 400k ASME - 460775 All the Efficiency, Convenience and Reliability You Want in a Gas-fired Heater. As easy to use as your home-heating system, MasterTemp has user-friendly indicator lights that make system operation and monitoring a snap. The compact design and quiet operation won't intrude on your swimming and poolside ...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.Find many great new & used options and get the best deals for Pentair NS2-1181-00 Mastertemp 42001-0059 Cleveland Controls Air Flow Switch at the best online prices at eBay! Free shipping for many products!My first guess would be an airflow issue :). It could be as simple as the heater is too sooted and needs a good cleaning to allow for enough air to flow. The more likely cause is a bad air flow switch (key 42), air switch tube, or a bad blower motor(key 5). In section E04 - Fan Failure, we list similar symptoms to yours:The Pentair Mastertemp 400 service system light is an important indicator of the pool heater's operation. It should always be monitored to ensure proper functioning. When the light turns on, it indicates that there is a problem with the unit and requires maintenance or repair. This could include anything from a dirty filter, clogged ...Page 42 of the manual addresses the trouble lights including the AFS (air flow switch). The air flow switch is connected to the draft inducer blower with a plastic/rubber tube. Remove the tube and check for blockages or holes. ... Pentair pool MaxEThermEngOM.pdf . Upvote #3 06-21-14, 07:52 AM C. Charles Walters. Member. Thread Starter. Join ...The rollout switch is a safety device on the outside of the hePentair >Pool Supply Unlimited has parts for Pentair MasterTemp HD Low NOx Pool Heater - Electronic Ignition - Cupro Nickel - Natural Gas - 400,000 BTU HD - 460805. ... Pentair MasterTemp & Sta-Rite Max-E-Therm 400 Natural Gas Heater Blower Kit | 77707-0253. Quantity: ... Pentair MasterTemp & Sta-Rite Max-E-Therm Air Flow Switch | 42001-0061S. Quantity:Pentair MasterTemp Heater, 400,000 BTU, Natural Gas, Low NOx, Copper Heat Exchanger - EC-462028 ... 40 for 400 BTUs. Depending on your pool system you might get these GPM levels at the low speed but generally these heaters must be run at the motor's high speed. Reply ? Asked on 10/24/2014by ... Need to adjust water flow of pump to at least 35 ... Control Board: American Engineering Heav MasterTemp Water Pressure Switch. Write a Review. 108 in stock. $96.32. & ships free! Decrease Quantity. Increase Quantity. Add to Cart. Shipping Options.This Pentair 77707-0253 combustion air blower kit is designed to use with Pentair MasterTemp pool and spa natural gas heater model 400NA and is also compatible with Pentair Sta-Rite Max-E-Therm pool and spa natural gas heater model 400NA. It includes a single volt blower adapter. Measures 12-inch length by 12-inch width by 12-inch height. Make sure the pump is on and that the cords are plugged in securely.

Be sure the 42001-0061S Pentair Air Flow Switch fits your existing heater, and with a quick replacement, your heater will be running again just as expected. Used on the following models: Pentair MasterTemp 400 LP; Pentair MasterTemp 400 NA; Pentair MasterTemp 200 LP; Pentair MasterTemp 200 NA; Pentair MasterTemp 250 LP; Pentair MasterTemp 250 NA;PowerMax is designed for operation to 10,000 foot elevation. Reliable operation in natural or propane models. Fan-assisted and filtered combustion air. Dual ignition systems for models greater than 750,000 BTU. Built-in mixing system reduces condensation possibilities. Fits through standard doorways. 200/208 and 575 volt models available.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.This air pressure switch is designed to use with Pentair MiniMax NT Low NOx, Low NOx ASME, TSI, TSI ASME natural gas pool and spa heater model 400 and also compatible with Pentair MiniMax NT TSI, TSI ASME natural gas pool and spa heater model 300. Available in yellow color. 0.95 Setting.

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 Compatibility: Designed to work with Pentair Mastertemp 400 parts, 300, 200 and Pentair Mastertemp 125 low nox pool heater parts. It will also work all Sta Rite Heaters. AFS …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.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.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Here you can find the Pentair Pool Product Catalog by product categori. Possible cause: Pentair MasterTemp 125 High Limit Switch | 474367Z. 5.0 (1 REVIEW) Quantity..