Pentair Sta-Rite MasterTemp/Max-E-Therm Manifold Bypass Valve Kit (77707-0001) littlegiant The Raypak Versa/Gemini/RP2100 Pressure Switch

The Raypak Versa/Gemini/RP2100 Pressure Switch is a service replacement component for heater repair and maintenance

A diffuser like this is useful because it helps manage water movement after the impeller

Useful for restoring aeration performance and appearance

Replacement tank lid with lock ring for compatible Hayward Easy-Clear filters

Pentair Sta-Rite MasterTemp/Max-E-Therm Manifold Bypass Valve Kit (77707-0001) littlegiant The Raypak Versa/Gemini/RP2100 Pressure SwitchThe manifold bypass valve kit supports controlled water movement inside compatible MasterTemp and Max E Therm heater manifolds. A worn or damaged bypass can affect heater flow behavior, temperature regulation, and internal water routing. Replacing the kit is often part of resolving heater performance issues related to flow, noise, or manifold service findings. This is a critical water path component and should be installed as part of a careful heater