41200-0213 Pentair Regulator Kit | Fits Rebel & Warrior Pool Cleaners

Fine-tune suction levels and protect your pool cleaner with the genuine OEM Pentair Regulator Kit 41200-0213. Engineered for the Rebel, Kreepy Krauly Warrior, Great White, and SandShark cleaner families, this kit delivers precise flow regulation that prevents excessive suction from stalling movement or damaging internal components. The package includes a regulator valve, cap, and spring, all produced from corrosion-resistant materials built to hold up in...

415-5090 Waterway 2" Self-Aligning Union Nut Replacement

The Waterway 415-5090 Union Nut is a factory-original 2-inch self-aligning union nut engineered for reliable connections within pool and spa plumbing networks. This sturdy replacement part preserves a solid seal on union assemblies paired with pool pumps, filters, heaters, and related circulation equipment. Thanks to its self-aligning geometry, this nut accommodates minor pipe alignment variations during assembly, streamlining the connection process even when plumbing runs...

42001-0008S Pentair Sta-Rite Max-E-Therm Heater Display Cover

Safeguard your Sta-Rite Max-E-Therm Heater's control panel with the Pentair 42001-0008S Display Cover, a factory-original replacement component built to shield sensitive electronics from weather exposure and environmental wear. This cover preserves full readability of the heater's display while delivering dependable long-term protection against moisture, UV rays, and debris. Constructed from resilient materials engineered to resist cracking and discoloration, it restores both the function and appearance...

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....

42001-0052S / 476223 Pentair Ignition Control Module | MasterTemp & Max-E-Therm Heaters

Restore dependable ignition to your pool heater with the genuine Pentair Ignition Control Module 476223 (previously numbered 42001-0052S), a factory-specified replacement for MasterTemp and Max-E-Therm heating systems. This module manages the complete ignition cycle, ensuring your heater fires up promptly and continues to run with consistent reliability. Engineered for direct compatibility with Pentair heaters, it slots into place with minimal effort and brings your heating...

42001-0053S Thermistor by Pentair | MasterTemp Sta-Rite Max-E-Therm ETI 400 Gas Heater Sensor

The Pentair Thermistor 42001-0053S is the OEM sensor responsible for relaying water temperature readings to your heater's control panel display. When your panel shows inaccurate or abnormally high temperature readings, a failing thermistor is typically the cause and replacement is the only remedy, as this component cannot be reset. Positioned within the manifold adapter inlet, this electronic temperature-sensing thermistor continuously monitors incoming water temperature. When...

42001-0056S Terminal Board by Pentair | MasterTemp & Max-E-Therm Heater Electrical Board

Restore dependable electrical connections in your pool heater with the genuine Pentair Terminal Board 42001-0056S, factory-designed for MasterTemp, ETI 400, and Max-E-Therm heater systems. This terminal board serves as the central wiring junction within the heater, providing secure contact points for all internal electrical components. Built from heat-resistant, UL-grade materials, it ensures safe, reliable power distribution throughout the heater's control circuit. The straightforward mounting design...

42001-0057S Pentair 120V/240V Transformer with Dual & Single Adapter | MasterTemp & Max-E-Therm Heaters

Power your Pentair heater with confidence using the Pentair Transformer 42001-0057S, a genuine OEM power management component designed for MasterTemp and Max-E-Therm Heaters. Equipped with both dual and single adapter configurations, this transformer accommodates 120V and 240V electrical setups, giving you flexibility regardless of your home's wiring. It delivers steady, regulated voltage to your heater, which is fundamental for safe operation and reliable temperature output....

42001-0061S Air Flow Switch for MasterTemp & Max-E-Therm Pool Heaters | Pentair

The genuine OEM Pentair Air Flow Switch (42001-0061S) is the safety sensor that confirms adequate combustion air is reaching the burner before allowing ignition. It monitors the pressure differential across the air metering orifice; once airflow reaches the required threshold, the switch closes the circuit to the hot surface igniter (HSI), which lights the gas-air mixture. During a typical heating call, the blower and HSI...

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

The genuine Pentair Hi Limit Switch 42001-0063S is a factory-grade safety device that monitors water temperature and triggers an immediate shutdown of the heat exchanger whenever the temperature exceeds the safe threshold of 135¡F. A failed switch typically causes your heater to display the HLS error code, signaling that immediate replacement is necessary. Because this switch is a one-time-use safety component, it cannot be reset...

42001-0104S Pentair MasterTemp & Max-E-Therm Heater Wiring Harness Kit

Achieve dependable, factory-spec electrical integration in your Pentair pool heater with the Pentair Wiring Harness Kit 42001-0104S. This comprehensive kit is designed to establish secure, high-integrity electrical pathways within MasterTemp and Max-E-Therm heater units, linking internal components with precision-routed wiring and a matched transformer. Built from materials rated for the thermal and electrical demands of pool heating equipment, this harness kit safeguards both operational reliability...

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...

42001-0107S Pentair 115V/230V Dual Voltage Transformer Kit for Max-E-Therm & MasterTemp Heaters

The Pentair 42001-0107S Dual Voltage Transformer Kit is a factory-original electrical component that supplies stable, regulated power to Max-E-Therm and MasterTemp gas heaters across both 115V and 230V service configurations. Whether you are replacing a failed transformer or addressing intermittent ignition issues caused by voltage irregularities, this kit delivers the consistent electrical output your heater's control board requires for reliable startup and operation. Packaged with...

42002-0007S / 461105 Pentair MasterTemp & Max-E-Therm Control Board with 6 Button Pad

Take command of your pool heating with the OEM Pentair Control Board Kit, part 461105 (previously 42002-0007S), a key upgrade and replacement component for Pentair MasterTemp and Sta-Rite Max-E-Therm pool heaters. This complete kit delivers everything required for accurate temperature management and smooth day-to-day operation. It comes equipped with a six-button membrane pad for intuitive adjustments and built-in RS-485 connectivity that allows direct communication with...

42002-0024S Pentair Stack Flue Sensor | MasterTemp & Sta-Rite Max-E-Therm Heaters

The genuine OEM Pentair Stack Flue Sensor (SFS) 42002-0024S acts as a vital safety mechanism that triggers an automatic heater shutdown once flue gas temperatures hit 480° F (249° C). Designed to cap flue gas output at a maximum of 500 degrees Fahrenheit, this sensor guards against dangerous overheating conditions. It maintains full functionality across an ambient temperature span of -20°C to 105°C, making it...

42002-0025S Pentair 140° Automatic Gas Shut-Off Switch - MasterTemp & Max-E-Therm Heaters

Protect your pool or spa heater investment with this genuine Pentair Automatic Gas Shutoff Switch. Engineered as a critical safety device, this switch continuously monitors operating temperature and immediately cuts the gas supply whenever the system reaches 140 degrees Fahrenheit. This rapid response prevents overheating scenarios that could lead to equipment failure or dangerous conditions. The switch is built as a direct drop-in for Pentair...

42002-0032Z Pentair MasterTemp Heater Back Side Panel - Flue Stack Side Replacement

Replace a worn, damaged, or corroded rear panel on your MasterTemp heater with this genuine Pentair Back Side Panel. Positioned on the flue stack side of the unit, this panel serves as a protective barrier for the heater's internal components, shielding them from weather, debris, and physical contact. Manufactured to factory dimensions for an exact fit, it restores the structural integrity of your heater enclosure...

42002-0033Z Pentair MasterTemp Heater Molded Manifold Side Panel

Restore the structural completeness of your MasterTemp heater with this Pentair Molded Manifold Side Panel (42002-0033Z). Precision-molded to match original equipment dimensions, this replacement panel steps in for cracked, warped, or deteriorated manifold side panels to keep your heater running at full capability. Its sturdy construction withstands heat cycling and environmental exposure, making it an important element in any proactive heater maintenance program. Key Benefits...

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...

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...