Pentair mastertemp 400

42002-0007S Control Board with 472610Z Switch Membrane Pad Replacement for Pen-tair MasterTemp NA/LP Series Pool/Spa Heater Electrical Systems. $9900. List: $108.00. FREE delivery Mon, Mar 11. Or fastest delivery Thu, Mar 7. Only 11 left in stock - order soon.

Pentair MasterTemp® Natural Gas High Performance Heater 400K BTU. Product #:PUR-15-0736. Mfg. Part #:460736. Description anchor. MasterTemp® heater 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-friendly indicator lights make ...MasterTemp® High Performance ASME® Certified Heaters. 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 ...MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. A tough, composite exterior handles the heat and weathers the elements. Safe operation is assured through a series of features, including; a water pressure switch that senses the pump is running to prevent overheating; high limit switches assure ... ETi 400 and ETi 250 both offer years of high quality, trustworthy corrosion resistance and easy venting to warm your pool efficiently. The compact ETi 250 shares all the robust features of its larger counterpart. That’s why the convenient size of the ETi 250 make it an ideal upgrade from the MasterTemp® High Performance Heater. Thermistor Part #: 42001-00536SHLS (High Limit Switch) Part #: 42001-0063SComparing prices at the grocery store can be tricky, but reader Schmaltzed has a trick to help: look for the unit pricing, usually listed right next to the item pricing at most gro...ouyanglong 77707-0010 Thermal Regulator Fits for Pentair Mastertemp 400 333 300 250 200 125 and Sta-Rite Pool Spa Heaters SR200 SR333 SR400 Replaces Pentair Part 38000-0007S 3.6 out of 5 stars 5 1 offer from $19.99

Fits Pentair MasterTemp pool and spa heater models 400NA, 400LP1 ; Also fits Pentair Max-E-Therm NA and LP series pool/spa heater model 400 ; Includes coil sealing O-ring kit ; Measures 18-1/2-inch length by 10-1/2-inch height by 18-1/2-inch width Report an issue with this product or seller.A new messaging service, Corrio, wants to drive down costs of quick messages between inmates and their loved ones. Answering machines have been around since the early 20th century,...Earn up to 50,000 Marriott Bonvoy points with the latest Amex Offer, which rewards eligible PayPal spends with 10x bonus points per dollar We may be compensated when you click on p...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 for pools. ... 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 ± 0.1 . Title ... 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 27330 • (800) 831-7133 or (919) 566-8000 10951 W. Los Angeles Ave., Moorpark, CA 93021 • (800) 831-7133 or (805) 553-5000. Eco-friendly MasterTemp Heater is certified for low NOx emission and outperforms industry standards. Rotating digital display allows for easy viewing. A tough, rustproof exterior handles the heat and weathers the elements. Certified for outdoor and indoor installations. For Air Intake Kit order part number 461031.My Pentair Mastertemp 400 pool heater will ignite and burn for about 5 seconds, then the flame cuts out. There is a slightly acrid smell to the exhaust (the fan keeps running). I have replaced the ign … read moreWe would like to show you a description here but the site won’t allow us.

This item: Pentair Mastertemp Heater 460805 400K BTU Cupro Nickel Natural Gas $3,399.00. Pentair Intelliflo Pump VS 3 HP 230V Variable Speed THP 3.95 $ [view detail] Pentair FNS PLUS 60 Sq Ft DE Filter - Valve sold Seperately $1,485.00 [view detail] Hi Flo multi port Valve 2 in FNS PLUS DE FILTER $206.70 [view detail] NG to Propane Conversion ...Thermistor Part #: 42001-00536SHLS (High Limit Switch) Part #: 42001-0063SRemove 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.The MasterTemp 400 is a high-performance pool heater that offers smart connectivity, digital display, and energy-saving options. It can heat pools up to 400,000 BTU/hr and …

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Thermistor Part #: 42001-00536SHLS (High Limit Switch) Part #: 42001-0063S Pool Supply Unlimited has some of the best prices when shopping for Pentair MasterTemp Low NOx Commercial Swimming Pool Heater - Electronic Ignition - Natural Gas - 400,000 BTU ASME - 460775 Pentair MasterTemp 400K ASME Heavy Duty - 461021 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 …Key Part Description Qty. 200 Manifold 333 Manifold 400 Manifold Conversion Kit Conversion Kit Conversion Kit 77707-0014 77707-0015 77707-0016 1 Coil/Tube Sheet Seal O-ring () 35505-7222 (6)* 35505-7222 (10)* 35505-7222 (12)* ... www.pentair.com All Pentair trademarks and logos are owned by Pentair or one of its global affiliates. This item: Pentair Mastertemp Heater 400K BTU 460737 Propane Gas $3,181.50. Mastertemp Indoor Adapter Kit 300 400 BTU $129.00 [view detail] Pentair Intelliflo Pump VS 3 HP 230V Variable Speed THP 3.95 $ [view detail] Description. Warranty. User manual. Reviews (0) Price from $3,150.00. Shipping $250. Remove right side panel from the heater (Fig. 1). MasterTemp® 125 Heater. Loose air orifice top and bottom screws on the blower. (Fig. 2 and Fig. 3). 4. Remove air orifice from the blower (Fig. 4). 5. Attach and secure the adapter with pvc pipe to the air orifice with three self-tapping screws provided (Fig. 5). 6.

Buy the Pentair MasterTemp 400K BTU heater for your pool and spa with free shipping and pool perks. Learn about its features, specifications, warranty, and reviews.Customer Support. Built to last with tough rust proof exterior. Premix combustion technology for fast and efficient warm-ups. Built in safety features to ensure system protection. Rotatable, easy-to-use, intuitive operation controls. Certified for outdoor and indoor installation. Report an issue with this product or seller.400 525 750 900 1/2 in. NAT 500 ft. 400 ft. 390 ft. 260 ... Gas Pressure Requirements for MasterTemp, Max-E-Therm and E Ti 400 Pentair Water Heaters Maximum Inlet MinimumThe Pentair MasterTemp Low NOx Pool Heater – 400k BTU (Propane) 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.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 functions anytime, anywhere. Full-text digital display combines new ...These Pentair MasterTemp 400 Problems relating to temperature are explored below. i) No Heat. The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. Solution: Low water flow is the cause of up to 70% of all ‘My heater won’t heat’ service calls.Pentair. Poolweb # EC-462028. MasterTemp EC 400NA 400,000 BTUs Residential Pool Heater - Natural Gas. Write a Review. Allow 1-2 Months to Ship. $4,199.00. & ships free! …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-friendly indicator lights make system operation and monitoring a snap. The compact design and super-quiet operation won't intrude on your poolside leisure time.Product Name MasterTemp Natural Gas Heater 400 BTU Manufacturer Part Number EC-462028 Sku PUR-15-2012 UPC 788379887346All of the following crimes will disqualify a person from immediately obtaining an FID. However, if it is not a crime of violence, the person will be entitled to receive the FID …

NO COLD FEET. The ETi 400 is designed to accommodate the features that make your pool fun. Optimized Heating. For every $1 of natural gas that’s piped into the heater, 96 cents goes directly to heating your pool. UPGRADE OPTION. Plumbing aligns to MasterTemp® High Performance Heater, for easy drop in replacement.

Buy the Pentair MasterTemp 400K BTU heater for your pool and spa with free shipping and pool perks. Learn about its features, specifications, warranty, and reviews. The Pentair MasterTemp Low NOx Pool Heater – 400k BTU (Propane) 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.Part # 460805. Availability: In stock. $3,599.99. Free Shipping! No Sales Tax! Add to cart. Enhance your pool experience with the MasterTemp 400K BTU Natural Gas Heavy Duty High-Performance Heater. Known for its dependable performance and efficient design, MasterTemp now offers intelligent features and an optional energy-saving Smart Bypass ...Item No. 604316 | Manufacturer SKU: 77707-0204. $256.99. Buy in monthly payments with Affirm on orders over $50. Learn more. Replacement Flameholder Kit for Sta-Rite Max-E-Therm 400 and Pentair MasterTemp Pool Heaters. More Details.Buy a propane gas pool heater with 400,000 BTU and low NOx emission. See customer reviews, product dimensions, warranty information and delivery options.Item No. 604316 | Manufacturer SKU: 77707-0204. $256.99. Buy in monthly payments with Affirm on orders over $50. Learn more. Replacement Flameholder Kit for Sta-Rite Max-E-Therm 400 and Pentair MasterTemp Pool Heaters. More Details.Chip and Joanna Gaines of "Fixer Upper" launch a new Target collection called "Hearth & Hand with Magnolia." Our favorites are under $25. By clicking "TRY IT", I agree to recei...What I liked about the Pentair 460737 MasterTemp Performance Pool Heater. The thing I like most about this performance pool heater is that it offers me the ability to heat up almost all of the water in your pool in no time at all, thanks to the massive 400,000 BTU propane heating system that it takes advantage of. To replace the wire harness on a MasterTemp® or Max-E-Therm® Heater: FIG. 1. MasterTempSTD Heater MasterTemp 125 Heater FIG. 2. 2. Max-E-Therm Heater: Unbolt the four bolts and separate the jackets halves. Pull hair pin clips. (Fig. 3). 3. Press the plastic clips on the control panel assembly. 4. Lift control panel assembly off of support ...

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MASTERTEMP Calentador para piscina y spa manual de instalación y operación 5 Los calentadores de piscinas MasterTemp® están diseñados y fabricados para brindar muchos años de servicio seguro y confiable cuando han sido instalados, operados y mantenidos de acuerdo a la información en este manual. A través de este manual seMasterTemp heaters are available in a range of heat output capacities from 175,000 BTU to 400,000 BTU. *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.Before you sign up for the one-way ticket to Mars, you'd better read this first. HowStuffWorks presents 10 ways space is trying to kill you. Advertisement In the Hollywood thriller... MASTERTEMP® HEATER (CONT’D) WATER SYSTEM REPLACEMENT PARTS Item Part No. Description WATER SYSTEM 2 77707-0014 Manifold Kit (Includes Item Nos. 3–14, 21, and Item Nos. 5–7 in “Electrical System” Models 175NA, 175LP, 200NA, 200LP 2 460748 Manifold Kit (Includes Item Nos. 3–14, 21, and Item Nos. 5–7 in “Electrical System” Swimables 42002-0029Z / 472610Z Membrane Pad Replacement for All Pentair Mastertemp and Starite Pool Heater - Designed to be plugged into Pentair Mastertemp 400 Control Board dummy Funmit 42002-0024S Stack Flue Sensor 42001-0063S High Limit Switch and 42001-0053S Heater Thermistor Spa Hearters Replacement for PentairItem No. 621063 | Manufacturer SKU: 77707-0016. $659.99. Buy in monthly payments with Affirm on orders over $50. Learn more. Pentair 77707-0016 Replacement Manifold Kit for Sta-Rite Max-E-Therm and Pentair MasterTemp 400K BTU Pool Heaters. More Details.We would like to show you a description here but the site won’t allow us.This item: Pentair Mastertemp Heater 400K BTU 460737 Propane Gas $3,181.50. Mastertemp Indoor Adapter Kit 300 400 BTU $129.00 [view detail] Pentair Intelliflo Pump VS 3 HP 230V Variable Speed THP 3.95 $ [view detail] Description. Warranty. User manual. Reviews (0) Price from $3,150.00. Shipping $250. The Pentair MasterTemp Low NOx Pool Heater – 400k BTU (Natural Gas) 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. ….

Used On Pentair Mastertemp® Heaters. 400 Includes Items #3 and 4; Used On Sta-Rite Max-E-Therm Heaters. 400 Includes Items #3 and 4; View More Details Price: $59.09 Quantity. Add to Cart Save for Later In Stock. B--Blower Adapter Plate Gasket Kit Item Number: 777070011. Details: ...We would like to show you a description here but the site won’t allow us.MASTERTEMP® HEATER (CONT’D) WATER SYSTEM REPLACEMENT PARTS Item Part No. Description WATER SYSTEM 2 77707-0014 Manifold Kit (Includes Item Nos. 3–14, 21, and Item Nos. 5–7 in “Electrical System” Models 175NA, 175LP, 200NA, 200LP 2 460748 Manifold Kit (Includes Item Nos. 3–14, 21, and Item Nos. 5–7 in “Electrical System”An Eco Select Brand: MasterTemp Heaters offer best-in-class energy efficiency. Plus, they are certified for low NOx emissions, making them eco-friendly favorites. In fact, MasterTemp outperforms current industry standards for air pollution exhaust. The Eco Select Brand identifies Pentair's "greenest" and most efficient …Chip and Joanna Gaines of "Fixer Upper" launch a new Target collection called "Hearth & Hand with Magnolia." Our favorites are under $25. By clicking "TRY IT", I agree to recei...Mar 26, 2022 · These Pentair MasterTemp 400 Problems relating to temperature are explored below. i) No Heat. The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. Solution: Low water flow is the cause of up to 70% of all ‘My heater won’t heat’ service calls. This item: Pentair Mastertemp 400K BTU Natural Gas 460736 $3,095.65. 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. MASTERTEMP® HEATER (CONT’D) BURNER SYSTEM REPLACEMENT PARTS Item Part No. Description Qty. 460740 Gas Orifice Kit – Propane, Model 250 (Incl. Item Nos. 3 and 4) * 460754 Gas Orifice Kit – Propane, Model 300 (Incl. Item Nos. 3 and 4) * 77707-0441 Gas Orifice Kit – Propane, Model 400 (Incl. Item Nos. 3 and 4) * 460794 NG to Propane ... All MasterTemp units feature a copper heat exchanger that will stand up to the harshest of conditions, like low pH, high flow or heavy use. MasterTemp heaters feature a best-in-class energy efficiency, manual gas shut-off when service is required, and rotating digital display allowing for easy viewing. Eco-friendly - certified for low NOx ... Also fits Pentair Sta-Rite Max-E-Therm pool and spa heater model 400 ; Includes 400k-BTU and coil tubesheet sealing o-ring kit Report an issue with this product or seller. ... This tube sheet coil assembly kit is designed to use with Pentair MasterTemp pool and spa heater models 400NA, 400LP and also compatible with Pentair Sta-Rite Max-E-Therm ... Pentair mastertemp 400, Pentair ETi (Efficiency Thermal Insulation) and Mastertemp heaters are both designed to efficiently heat swimming pool water, but there are a few key differences between the two models that can make the ETi more efficient. First, the ETi uses a cupro-nickel heat exchanger, while the Mastertemp uses a standard copper heat exchanger. …, Pentair MasterTemp Low NOx Pool Heater - Electronic Ignition - Natural Gas - 400000 BTU | 460736 Call (888) 836-6025 or contact us for pricing and to purchase. Ultra-High …, All of the following crimes will disqualify a person from immediately obtaining an FID. However, if it is not a crime of violence, the person will be entitled to receive the FID …, Eco-friendly MasterTemp Heater is certified for low NOx emission and outperforms industry standards. Rotating digital display allows for easy viewing. A tough, rustproof exterior handles the heat and weathers the elements. Certified for outdoor and indoor installations. For Air Intake Kit order part number 461031., Pentair MasterTemp Features: Heats up fast so no long waits before enjoying your pool or spa. Best-in-class energy efficiency. Manual gas shut-off when service is required. Eco-friendly Pentair MasterTemp is certified for low NOx emission and outperforms industry standards. Rotating digital display allows for easy viewing. , It is Pentair MasterTemp 400k BTU pool heater that provides a soothing pool experience while being environment friendly. Without wasting any more time, lets jump right into the article. 60 Hz120 / 240 Volts AC, single phase. To automatically shut off the water supply if the water temperature exceeds factory set limits., 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 …, The Pentair MasterTemp Low NOx Pool Heater – 400k BTU (Natural Gas) 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., Customer Support. Built to last with tough rust proof exterior. Premix combustion technology for fast and efficient warm-ups. Built in safety features to ensure system protection. Rotatable, easy-to-use, intuitive operation controls. Certified for outdoor and indoor installation. Report an issue with this product or seller. , Explanation Of The Different Pentair Mastertemp 400 btu Models. 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 …, Los calentadores MasterTemp están disponibles en un rango de capacidad de salida de calor de 175.000 BTU a 400.000 BTU. *Ahorros basados en pruebas de laboratorio realizadas utilizando el calentador MasterTemp 400 en conjunto con la bomba IntelliFlo VSF y el Kit de derivación (bypass), que incluye una válvula IntelliValve controlada por el ... , Pentair Prowler® 930W (#360540) *. Apr 1, 2024 - Sept 30, 2024. $100. $1,609. Pentair Rebel® (#360473)*. Apr 1, 2024 - Sept 30, 2024. $100. $619. *These TradeGrade products must be purchased from a brick-and-mortar retailer, pool builder, or pool service professional in order to qualify for rebate., Customer Support. Built to last with tough rust proof exterior. Premix combustion technology for fast and efficient warm-ups. Built in safety features to ensure system protection. Rotatable, easy-to-use, intuitive operation controls. Certified for outdoor and indoor installation. Report an issue with this product or seller., The Pentair MasterTemp Low NOx Pool Heater – 400k BTU (Natural Gas) 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., 4.9 15 ratings. $4911. Genuine Pentair. Part Number: 77707-1441. Get Ready For The Pool Season With Preventative Maintained On Your Pool Equipment. No Assembly Required. Report an issue with this product or seller. This item: Pentair 77707-1441 Conversion Kit NA-LP 400K for Pool Pumps., Pentair 461031 Intake Air Kit. $233.20. PENTAIR 474958 KIT, LID CC 9 BOLT. Pentair. $403.63. Pentair 42001-0114S Air Orifice Grill, NLA. Pentair. $0.01. Shop our supply of Pentair replacement parts and we can help you find the parts you need for your Pentair MasterTemp 400 pool heater and Pentair 460737 heater model., 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-class …, We would like to show you a description here but the site won’t allow us.,  Gainers Fujian Blue Hat Interactive Entertainment Technology Ltd. (NASDAQ:BHAT) rose 83.8% to $1.3824. Blue Hat Interactive terminated its ... Indices Commodities Currencies..., It's not all bad. Air travel has changed a lot during the pandemic, according to Brian Kelly, better known as The Points Guy, the CEO and founder of the travel website of the same ..., The Pentair MasterTemp 400 pool heater comes in three different models: Pentair 460736 :Standard model: Copper heat exchanger. Pentair 460805 : Heavy-duty (HD) : Copper-nickel exchanger stands up to the harshest of applications, like low pH, high flow or heavy use., MasterTemp® High Performance ASME® Certified Heaters. 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 ..., The Pentair MasterTemp Low NOx Pool Heater – 400k BTU (Propane) 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. ..., MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. A tough, composite exterior handles the heat and weathers the elements. Safe operation is assured through a series of features, including; a water pressure switch that senses the pump is running to prevent overheating; high limit switches assure ..., The pentair mastertemp 400 service heater light on indicates the need for maintenance or repair. Swimming pools are a great source of relaxation, especially when the weather heats up. Your pool heater is an integral part of the overall pool system, as it helps to keep the water at a comfortable temperature. , Apr 29, 2018 ... ... Pentair Mastertemp 400 series pool heater. The sensor usually needs to be replaced if you are getting Error E05, and is usually a result of ..., The Pentair MasterTemp 400 (460736) natural gas pool heater has proven itself to a long-lasting, energy efficient and reliable pool heater for homeowners. It’s designed to be user-friendly with its rotating digital display that provides easy operation and …, 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-friendly indicator lights make system operation and monitoring a snap. The compact design and super-quiet operation won't intrude on your poolside leisure time., If you own a Pentair pool or spa system, regular maintenance and service are essential to keep your equipment in top condition. Neglecting these important tasks can lead to costly ..., 1 Year. BioShield® UV System (Lamp and Quarts Sleeve only) manufactured after October 1, 2023. Ninety (90) days. IntelliChlor® Salt Chlorine Generator (without Power Center) 2 Years. iChlor™ Salt Chlorine Generator - Bundle with Power Supply and Cell (iChlor 15 and iChlor 30) manufactured before October 1, 2023., 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 functions anytime, anywhere. Full-text digital display combines new ..., 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., Fits Pentair MasterTemp pool and spa heater models 400NA, 400LP1 ; Also fits Pentair Max-E-Therm NA and LP series pool/spa heater model 400 ; Includes coil sealing O-ring kit ; Measures 18-1/2-inch length by 10-1/2-inch height by 18-1/2-inch width Report an issue with this product or seller.