42121 MPT Extra 3-Inch Chlorinating Tablets by Poolife | 11 lbs

Keep your swimming pool sparkling and sanitized with Poolife MPT Extra Chlorinating Tablets 42121. These versatile 3-inch tablets deliver comprehensive water care in a single product, powered by 93.5% trichlor for dependable, sustained chlorine delivery. Beyond sanitizing your water, they actively guard against algae development, mineral staining, and scale buildup while enhancing water softness and clarity. Designed for use with floating dispensers, skimmer baskets, and...

42122 MPT Extra 3-Inch Chlorinating Tablets by Poolife | 21 lbs Bulk

Achieve worry-free pool maintenance with Poolife MPT Extra Chlorinating Tablets 42122, a comprehensive 3-inch tablet solution formulated with 93.5% trichlor for robust, long-lasting chlorine performance. These stabilized tablets go beyond basic sanitization — they also inhibit algae formation, prevent unsightly stains and scale deposits, and leave your water softer and visibly clearer. Whether you prefer a floating dispenser, skimmer basket, or automatic feeder, these tablets...

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...

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...

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....

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...

460749 Pentair Tube Sheet Coil Sealing O-Ring Kit | 8-Pack for MasterTemp 250 Heaters

Prevent leaks and protect your heater's integrity with the Pentair Coil Tubesheet Sealing O-Ring Kit (460749), purpose-built for MasterTemp 250 heaters. This 8-pack of precision-molded O-rings creates a watertight barrier at the tubesheet junction, safeguarding your heating system against moisture loss and pressure drops. Manufactured from resilient, heat-tolerant compounds, these seals hold up under the demanding thermal cycling of pool and spa heaters. Quick and...

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...

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...

461063 Pentair MasterTemp 125 Heater Natural Gas to Propane Conversion Kit

Transition your MasterTemp 125 Heater from natural gas to propane fuel with the Pentair Conversion Kit, part number 461063. This purpose-built kit arrives with every component required to perform a complete fuel changeover, eliminating guesswork and ensuring your heater continues to deliver dependable warmth. Whether propane better suits your setup or you simply need greater flexibility in fuel sourcing, this conversion kit keeps your pool...

461107 Pentair MasterTemp & Max-E-Therm Heater Wire Harness

Ensure a safe, code-compliant electrical hookup for your Pentair pool heater with the Pentair Wire Harness 461107. This purpose-built wiring assembly provides the dependable power link between your MasterTemp or Max-E-Therm heater and either 120V or 240V electrical service. Engineered with properly rated conductors and secure connection points, this harness eliminates guesswork during installation and delivers the stable power feed your heater requires for consistent,...

472610Z Switch Membrane Pad by Pentair | MasterTemp & Max-E-Therm Heater Control Pad

Bring your heater's control interface back to full responsiveness with the genuine Pentair Switch Membrane Pad 472610Z. This factory-original replacement membrane is built to work with both MasterTemp and Max-E-Therm heater lines, delivering crisp, accurate button response for temperature adjustments and system settings. Fabricated from tough, weather-resistant materials, this membrane pad stands up to outdoor conditions and regular use while remaining simple to swap out,...

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...

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...

474200 Pentair Basic Manifold Kit - Max-E-Therm & MasterTemp Heater Replacement

Keep your pool or spa heater running at peak capacity with the Pentair Basic Manifold Kit, model 474200. Purpose-built for Max-E-Therm and MasterTemp heating units, this all-in-one kit delivers every component you need to properly service and install the manifold assembly. Each piece is manufactured from premium, corrosion-resistant materials that provide a precise, leak-free connection and stand up to years of continuous use. By replacing...

474971 Pentair Tube Sheet Coil Assembly | MasterTemp 125 Pool Heater Replacement

Restore your heater's heat exchange capability with the Pentair Tube Sheet Coil Assembly 474971, a comprehensive replacement kit built for Pentair MasterTemp 125 heaters. This assembly arrives with a coil sealing o-ring kit and all supporting hardware, giving you everything required for a thorough heat exchanger overhaul. Measuring 18-1/2 inches long, 10-1/2 inches tall, and 18-1/2 inches wide, this kit is dimensioned to slot directly...

474974 Pentair Union Kit 1.5" | MasterTemp 125 Pool Heater Plumbing Connection

Connect your MasterTemp 125 heater to your plumbing with confidence using the Pentair Union Kit (474974), featuring a 1.5" connection size. This all-in-one kit supplies every component needed to establish a tight, serviceable junction between your heater and the surrounding pipe network. Precision-engineered from sturdy, chemical-resistant materials, each piece is built to endure the heat and pressure demands of daily heater operation. The union-style design...

474989 Thermal Regulator by Pentair | MasterTemp 125 Pool Heater Replacement Part

Keep your pool or spa at the ideal temperature with the Pentair Thermal Regulator 474989, purpose-built for MasterTemp 125 heaters. This precision-engineered component governs water temperature with accuracy, safeguarding against overheating while delivering steady, comfortable warmth. Fabricated from premium-grade materials built to endure continuous use, this thermal regulator stands up to the demands of daily heater operation. Periodic inspection and timely replacement of this part...

475601 Pentair Stack Flue Sensor | Blue | For ETI 400 Gas Pool Heater

The genuine OEM Pentair Stack Flue Sensor 475601 serves as a critical safety device within the ETI 400 Gas Heater system. This sensor continuously tracks the temperature inside the stack flue, verifying that the heater stays within safe operational limits at all times. Blue color-coded wiring simplifies identification during setup and routine service inspections. Engineered for consistent, long-term reliability, this sensor plays a key role...