Pentair Sta-Rite MasterTemp/Max-E-Therm Manifold Bypass Valve Kit (77707-0001) bathpumps This tank lid is used

This tank lid is used with compatible PacFab FNS Plus 36 square foot DE filter systems where the upper housing requires replacement

The Darlly 60403 is especially useful for service work where a 45 square foot cartridge with a narrower top opening and SAE lower fitment is needed to avoid guesswork and improve replacement accuracy

The 22358 is a practical replacement for compatible Astral Pool systems that need renewed top-mount valve control and cleaner multi-mode performance

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 This tank lid is usedThe 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