High Limit Switch for Pentair MasterTemp & Max-E-Therm Pool Heaters | 42001-0063S | SW-41-063

The Swimables Hi Limit Switch SW-41-063 is a vital safety device that monitors water temperature and automatically shuts down the heat exchanger the moment readings climb above the safe threshold of 135°F. A failed high limit switch typically triggers an HLS error code on your heater's display, signaling that immediate replacement is needed. Because this switch is a one-time-use safety component, it cannot be reset...

42001-0105S Pentair MasterTemp & Max-E-Therm Heater Selector Volt Plug Kit | 120/240V

This genuine OEM Pentair Selector Volt Plug Kit, model 42001-0105S, is purpose-built for MasterTemp and Max-E-Therm heaters and provides the versatility of both 120V and 240V voltage configurations. The kit allows you to switch between voltage settings to match your facility's electrical supply, maximizing your heater's adaptability across different installation environments. Engineered for simple, straightforward setup, it ensures your heating system delivers safe, efficient performance...

42002-0035Z Pentair MasterTemp Heater Display Cover Replacement

Shield the digital control panel on your pool heater with the OEM Pentair Display Cover, model 42002-0035Z, purpose-built for MasterTemp Heaters. This sturdy protective cover guards the display against weather, UV exposure, and physical impact, keeping the readout clear and the electronics functional over the long term. It attaches quickly and cleanly, preserving the sleek appearance of your heater while adding a layer of defense...

77707-0113 Air Orifice Kit for MasterTemp & Max-E-Therm 400 Pool Heaters | Pentair

Restore proper combustion performance in your Pentair pool heater with this genuine Pentair Air Orifice Kit. Built with factory-spec precision, the orifices in this kit carefully control the air-to-gas mixture feeding into the burner, promoting efficient heat output and consistent temperature delivery. When your heater's orifices wear or become obstructed, combustion suffers and heating times increase. This direct-fit kit returns your Mastertemp or Max-E-Therm unit...

460743 Air Blower Kit for MasterTemp 250 Natural Gas Pool Heater | Pentair

Get your Pentair MasterTemp 250 heater firing on all cylinders with this genuine Air Blower Kit (460743). The blower delivers precisely metered airflow to the combustion chamber, enabling clean fuel ignition and rapid heat transfer to your pool water. Packaged with all necessary mounting hardware and connectors, this kit streamlines the replacement process so you can restore full heating output without lengthy downtime or guesswork....

460757 Combustion Air Blower for MasterTemp 300 Natural Gas Pool Heater | Pentair

Replace your worn combustion blower and bring your MasterTemp 300 heater back to factory performance with this genuine OEM Pentair Air Combustion Blower (460757). Precision-matched to the MasterTemp 300's combustion chamber geometry, this blower supplies the exact airflow volume needed for clean ignition and maximum heat transfer. Its heavy-duty motor and housing are built to withstand continuous operation in demanding outdoor environments, while the plug-and-play...

77707-0256 Combustion Air Blower for MasterTemp 400 Propane Pool Heater | Pentair

Keep your propane pool heater running at peak output with the genuine OEM Pentair Combustion Air Blower (77707-0256) for MasterTemp 400 units. This blower is the heart of the combustion air supply system, drawing in fresh air and directing it into the burner chamber at the precise rate needed for complete fuel burn. The result is faster pool warm-up, lower fuel consumption, and reduced emissions....

42002-0039Z Pentair MasterTemp Heater Molded Side Service Panel

Simplify routine heater service with this Pentair Molded Side Door Panel (42002-0039Z), designed to give you quick, tool-friendly access to the internal workings of your Pentair MasterTemp pool heater. Formed from impact-resistant, weather-grade materials for years of reliable use, this panel installs in minutes and integrates seamlessly with the MasterTemp enclosure. Whether you need to inspect burners, check wiring, or perform seasonal tune-ups, this service...

460741 Pentair MasterTemp 250 Heater Natural Gas to Propane Conversion Kit

Switch your MasterTemp 250 Heater over to propane fuel using the Pentair Natural Gas to Propane Conversion Kit, part number 460741. Built exclusively for this heater model, the kit supplies every fitting, orifice, and component you need for a clean and thorough fuel changeover. Once installed, your heater will operate with the same efficiency and dependability you expect, giving you the freedom to run on...

460755 Pentair MasterTemp 300 Heater Natural Gas to Propane Conversion Kit

Convert your MasterTemp 300 Heater from natural gas to propane with the Pentair Conversion Kit, part number 460755. This factory-engineered kit is crafted specifically for the MasterTemp 300, bundling all the orifices, fittings, and hardware necessary for a complete and proper fuel transition. After installation, your heater will continue to produce the same powerful, consistent warmth your pool demands, while giving you the added benefit...

77707-1441 Pentair MasterTemp 400 Heater Natural Gas to Propane Conversion Kit

Upgrade your fuel source with the Pentair Natural Gas to Propane Conversion Kit, part number 77707-1441, purpose-built for MasterTemp 400 Heaters. This comprehensive kit delivers all the hardware and components required to make a clean transition from natural gas to propane, ensuring your high-output heater keeps performing at its best. Ideal for pool owners who want the convenience and availability of propane, this kit preserves...

460742 Propane to Natural Gas Conversion Kit | Pentair MasterTemp 250 Pool Heater

Make the switch from propane to natural gas on your MasterTemp 250 Heater with the Pentair Conversion Kit, part number 460742. Specifically designed for this heater model, the kit packages all the orifices, springs, and hardware needed for a proper and thorough fuel conversion. After a straightforward installation, your heater resumes full-strength operation on natural gas, giving you the ability to take advantage of potentially...

77707-1411 Propane to Natural Gas Conversion Kit | Pentair MasterTemp 400 Pool Heater

Take your MasterTemp 400 Heater from propane to natural gas with the Pentair Conversion Kit, part number 77707-1411. This factory-engineered kit contains the complete set of components needed to retool your high-capacity heater for natural gas operation. Whether you are connecting to a new gas line or simply prefer the economics and availability of natural gas, this kit ensures your MasterTemp 400 continues to produce...

Flameholder Kit for Pentair MasterTemp 250 Pool & Spa Heaters | 460746

Keep your pool heater running at peak efficiency with the Pentair Flameholder Kit 460746, purpose-built for MasterTemp 250 heaters. When your existing flameholder shows signs of wear or sustains damage, this replacement kit delivers every component you need to restore proper burner function. Precision-engineered to meet factory standards, this kit safeguards consistent combustion and dependable heat output, protecting your investment in your MasterTemp heating system...

Flameholder Kit for Pentair MasterTemp & Max-E-Therm 300/333 Pool Heaters | 77707-0203

Restore your pool heater to full working order with the Pentair Flameholder Kit 77707-0203, engineered specifically for MasterTemp and Max-E-Therm 300 and 333 models. This replacement package provides all the parts necessary to swap out a failing or damaged flameholder, re-establishing clean combustion and steady heat delivery. Built to Pentair's exacting quality standards, it ensures your heater continues to operate safely and efficiently throughout the...

Flameholder Kit for Pentair MasterTemp & Max-E-Therm 400 Pool Heaters | 77707-0204

Get your high-capacity pool heater back to peak performance with the Pentair Flameholder Kit 77707-0204, built exclusively for MasterTemp and Max-E-Therm 400 series heaters. When the original flameholder deteriorates, combustion quality suffers. This kit supplies every replacement component needed to restore proper flame distribution and gas burning efficiency. Crafted to Pentair factory specifications, it delivers the fit, durability, and performance your heater demands. Key Benefits...

77707-0252 Combustion Air Blower for Max-E-Therm 333 Natural Gas Pool Heater | Pentair

Restore factory-grade combustion performance to your Max-E-Therm 333 natural gas heater with this genuine OEM Pentair Combustion Air Blower (77707-0252). The blower is responsible for drawing ambient air into the burner assembly at the correct volume and pressure, enabling thorough fuel combustion and efficient heat exchange. When the original blower wears out, heating slows and fuel waste increases. This replacement unit matches all original mounting...

77707-0255 Combustion Air Blower Kit for Max-E-Therm 333 Propane Pool Heater | Pentair

The OEM Pentair Max-E-Therm Propane Gas Combustion Air Blower is a crucial component designed to ensure efficient and reliable operation of your Max-E-Therm Propane gas pool heater. This high-quality blower facilitates proper air circulation, supporting combustion and heat transfer within the heater. By maintaining the ideal air flow, the blower helps the heater achieve optimal performance, quickly heating your pool to the desired temperature. Easy...

77707-0461 Pentair Propane Gas Orifice Kit for MasterTemp & Max-E-Therm 200 Heaters

Keep your propane heater firing cleanly and efficiently with the genuine Pentair Gas Orifice Kit, model 77707-0461. Engineered for MasterTemp and Max-E-Therm 200 propane units, this kit contains factory-spec orifices that meter propane at the precise rate needed for optimal combustion. Correct orifice sizing is fundamental to safe, high-performance heater operation, and this OEM kit takes the guesswork out of maintaining proper fuel delivery. Key...

77707-0451 Pentair Propane Gas Orifice Kit for Max-E-Therm 333 Pool Heater

Restore factory-level combustion performance in your Max-E-Therm 333 propane heater with this genuine Pentair Gas Orifice Kit, model 77707-0451. Containing precision-drilled orifices matched to the 333K BTU output rating, this kit ensures propane is delivered at the correct volume and pressure for clean, complete burns. Swapping worn orifices for fresh OEM replacements eliminates inefficient flame patterns and brings your heater back to its designed heating...