475984 Pentair ETI 400 Gas Pool Heater Membrane Pad Replacement

Maintain responsive and accurate controls on your ETI 400 gas pool heater with this genuine OEM Pentair Membrane Pad (475984). Serving as the interface between the operator and the heater's electronic control system, this membrane pad delivers consistent tactile feedback and dependable input recognition for precise temperature management. Designed for quick swap-out and built to withstand repeated use in outdoor pool environments, it is a...

475612 Pentair Condensate Neutralizer Cartridge Kit | ETI 400 Gas Pool Heater

Safeguard your drainage infrastructure and stay compliant with local regulations using the OEM Pentair Condensate Neutralizer Cartridge Kit, part number 475612, engineered exclusively for the ETI 400 High-Efficiency Pool and Spa Gas Heater. This kit treats the acidic condensate generated during heater operation, which typically registers a pH between 3.1 and 4.2, raising it to safe levels before it enters your drain system. Everything you...

1.25 Amp Fireman's Switch Fuse for Pentair MasterTemp Sta-Rite Max-E-Therm ETI 400 Heaters | 32850-0099

The genuine OEM Pentair Fireman's Switch Fuse 32850-0099 is a 1.25 Amp safety fuse critical to the proper timed shutdown sequence of your pool heater. When a time clock governs the filter pump, a low-voltage Fireman's Switch must deactivate the heater at least 15 minutes before the pump powers down. This fuse -- a 1.25 Amp 1_ x _" fast blow type -- protects that...

77707-0013 Pentair Sta-Rite Max-E-Therm Membrane Panel Control Board Kit

Regain full command over your Sta-Rite Max-E-Therm heater with this Pentair Membrane Panel Control Board Kit (77707-0013). Bundling both the membrane panel and the electronic control board into a single package, this kit supplies every component required to restore or upgrade your heater's user interface and processing logic. Each piece is built for long-term reliability and designed for drop-in compatibility, streamlining the task of swapping...

Pentair 77707-0011 Blower Adapter Plate Gasket Kit | Max-E-Therm & MasterTemp Heater Replacement

Maintain a sealed combustion chamber and reliable ignition with the Pentair Blower Adapter Plate Gasket Kit 77707-0011, tailored for Max-E-Therm and MasterTemp pool heaters. This factory-specification gasket kit supplies every sealing component needed to restore or replace the blower adapter plate interface, closing off potential exhaust and combustion air leaks that can compromise heating output. Each gasket is die-cut from heat-tolerant, compressible material that conforms...

Flameholder Kit for Pentair Max-E-Therm & MasterTemp Pool Heaters | 77707-0202

Bring your pool heater back to factory-fresh combustion performance with the Pentair Flameholder Kit 77707-0202, designed for Max-E-Therm and MasterTemp heater models. A worn-out flameholder compromises flame stability and heating efficiency. This kit provides all the replacement parts you need to resolve the issue, restoring proper gas distribution and dependable ignition. Manufactured to meet Pentair's original equipment standards, it integrates seamlessly and stands up to...

474058 Pentair Tube Sheet Coil Assembly | MasterTemp & Max-E-Therm 175/200 Heaters

Get your 175 or 200 series heater back to peak output with the Pentair Tube Sheet Coil Assembly 474058, a complete heat exchanger replacement package covering multiple heater platforms. This kit supports Pentair MasterTemp heater models 175NA, 175LP, 200NA, and 200LP1, along with the Pentair Sta-Rite Max-E-Therm heater model 200. Bundled with a coil sealing o-ring kit and all critical gaskets, the assembly measures 18-1/2...

77707-0234 Pentair Tube Sheet Coil Assembly | MasterTemp & Max-E-Therm 400 Heaters

Restore full heating capability to your pool or spa with the Pentair Tube Sheet Coil Assembly (77707-0234), tailored for MasterTemp and Max-E-Therm 400 heaters. This precision-engineered replacement component maximizes thermal transfer, allowing your heater to reach and hold target water temperatures with dependable consistency. Built from premium-grade materials chosen for their resistance to heat stress and corrosion, the coil assembly delivers extended service life. Its...

474059 Pentair Tube Sheet Coil Assembly | MasterTemp 250 Pool Heater Replacement

Bring your MasterTemp 250 heater back to full heating power with the Pentair Tube Sheet Coil Assembly 474059. This factory-original assembly serves as the core heat exchange component, transferring thermal energy to pool or spa water with maximum efficiency. Every piece in this kit is built from heavy-duty materials selected for their ability to handle sustained high temperatures and chemical contact. The straightforward design allows...

474061 Pentair Tube Sheet Coil Assembly | MasterTemp & Max-E-Therm 400 Heaters

Keep your pool or spa at the perfect temperature with the Pentair Tube Sheet Coil Assembly (474061), purpose-built for MasterTemp and Max-E-Therm 400 heaters. This critical heating element delivers superior thermal exchange, transferring heat to your water with outstanding efficiency. Engineered from heavy-duty, corrosion-resistant materials, the assembly stands up to years of continuous use. Straightforward replacement procedures mean you can have your heater back in...

42001-0051S Pentair Gas Control Valve Kit | MasterTemp & Max-E-Therm Heater Replacement

Keep your pool heating system performing at its best with the Pentair Combination Gas Control Valve Kit, part number 42001-0051S. This factory-authorized burner system gas control valve is built to work with Pentair Sta-Rite Max-E-Therm and MasterTemp pool and spa heaters, delivering dependable heat regulation and consistent safety. When your existing valve wears out or malfunctions, this direct-fit replacement restores full heater operation without guesswork....

77707-0119 Pentair Coil Sealing O-Ring Kit | MasterTemp & Max-E-Therm 400 Heater Tube Sheet | 12 Pack

Seal every tubesheet connection on your 400-series heater with the Pentair Coil Tubesheet Sealing O-Ring Kit (77707-0119), designed for MasterTemp and Max-E-Therm 400 heaters. Packaged as a generous 12-pack, these precision-cut O-rings provide comprehensive sealing across all tubesheet points, blocking leaks and maintaining proper system pressure. Each seal is formed from advanced elastomeric material that stays flexible and resilient through extreme temperature swings and continuous...

77707-0253 Combustion Air Blower Kit for MasterTemp 400 Natural Gas Pool Heater | Pentair

Maintain peak heating efficiency with the Pentair Combustion Air Blower Kit (77707-0253), a factory-spec replacement package for MasterTemp and Sta-Rite Max-E-Therm natural gas pool heaters. This kit governs the airflow into the combustion chamber, directly affecting ignition quality, heat transfer rate, and fuel economy. Bundled with a single-volt blower adapter for flexible electrical hookup, it provides everything needed for a complete blower replacement in one...

77707-0254 Combustion Air Blower Kit for MasterTemp 175 & 200 Propane Pool Heater | Pentair

Get your propane heater back to full firing strength with the genuine OEM Pentair Air Combustion Blower Kit (77707-0254), purpose-built for MasterTemp 175LP and 200LP as well as Sta-Rite Max-E-Therm counterparts. This complete kit ships with a single-volt blower adapter for broad electrical compatibility, along with all necessary mounting hardware. It restores the calibrated airflow your burner needs for clean ignition, efficient fuel use, and...

77707-0118 Pentair Coil Sealing O-Ring Kit | MasterTemp & Max-E-Therm 300 Heater Tube Sheet | 10 Pack

Eliminate tube sheet leaks and restore your heater's sealing integrity with the Pentair Coil Tube Sheet Sealing O-Ring Kit (77707-0118), built for MasterTemp and Max-E-Therm 300 heaters. This 10-pack of factory-spec O-rings delivers complete tube sheet coverage, creating a pressure-tight seal that prevents water seepage and energy waste. Each O-ring is produced from industrial-grade rubber compounds that resist heat fatigue and chemical attack, ensuring dependable...

77707-0117 Pentair Tube Sheet Coil Sealing O-Ring Kit | 6-Pack for MasterTemp & Max-E-Therm 175/200 Heaters

Guard against tubesheet leaks with the Pentair Coil Tubesheet Sealing O-Ring Kit (77707-0117), engineered for MasterTemp and Max-E-Therm 175 and 200 heaters. Supplied as a 6-pack, these professionally graded O-rings form a tight, moisture-proof seal around the tubesheet, preserving heater pressure and thermal output. Crafted from chemically resistant elastomers that withstand prolonged exposure to heat and pool water chemistry, they maintain their sealing properties over...

77707-0014 Pentair MasterTemp & Max-E-Therm 175/200 Heater Manifold Kit

Mounted directly to the combustion chamber, the Pentair 77707-0014 Manifold Kit is the central operating hub of your MasterTemp or Max-E-Therm heater's water circuit. It provides the physical connections for both inlet and outlet water lines and incorporates the thermal regulator, internal bypass valve, psi switch, ags switch, hi-limit switch, thermistor, and psi relief valve. Together, these integrated components manage water flow, monitor operating conditions,...

460748 Pentair MasterTemp & Max-E-Therm 250 Heater Manifold Kit

Mounted directly to the combustion chamber wall, this manifold assembly functions as the central junction point for all water inlet and outlet connections. It integrates several vital operational components within a single unit, including the thermal regulator, internal bypass valve, psi switch, ags switch, hi-limit switch, thermistor, and psi relief valve. Key Benefits Central Water Distribution Point: Provides a unified connection point for both incoming...

77707-0015 Pentair MasterTemp & Max-E-Therm 300 Heater Manifold Kit

Anchored securely to the combustion chamber exterior, this manifold assembly serves as the primary connection point for water entering and leaving the heater. It contains multiple performance-critical components, including the thermal regulator, internal bypass valve, psi switch, ags switch, hi-limit switch, thermistor, and psi relief valve. Key Benefits Primary Water Routing Hub: Operates as the main connection interface for inlet and outlet water lines, supporting...

77707-0016 Pentair MasterTemp & Max-E-Therm 400 Heater Manifold Kit

Secured to the side of the combustion chamber by bolts, this manifold assembly acts as the main distribution point for all water intake and discharge connections. It consolidates numerous essential components into a single unit, including the thermal regulator, internal bypass valve, psi switch, ags switch, hi-limit switch, thermistor, and psi relief valve. Key Benefits Centralized Water Management: Functions as the primary junction for both...