Pentair Sta-Rite MasterTemp/Max-E-Therm Manifold Bypass Valve Kit (77707-0001) bathpumps The dark grey Emerald Cut

The dark grey Emerald Cut style adds a more refined visual element than a plain functional insert alone

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

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

Improves water clarity support and service confidence

When a control box no longer manages outputs correctly

Pentair Sta-Rite MasterTemp/Max-E-Therm Manifold Bypass Valve Kit (77707-0001) bathpumps The dark grey Emerald CutThe 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