Pentair Sta-Rite MasterTemp/Max-E-Therm Manifold Bypass Valve Kit (77707-0001) bathpumps Confirm heater series and part

Confirm heater series and part number before ordering

When a control box no longer manages outputs correctly

Replacing the cartridge can help restore more dependable filtration and improve water clarity

Improves water clarity support and service confidence

0 HP 56-frame assembly has become too worn for a small-parts-only rebuild and the repair needs a cleaner matched solution

Pentair Sta-Rite MasterTemp/Max-E-Therm Manifold Bypass Valve Kit (77707-0001) bathpumps Confirm heater series and partThe 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