Product Overview

The Pentair 77707-0001 Manifold Bypass Valve Kit is a genuine Pentair replacement bypass valve for the inlet/outlet manifold water system of compatible Pentair MasterTemp and Sta-Rite Max-E-Therm pool and spa heaters. The bypass valve sits in the heater manifold and helps regulate how much water passes through the heat exchanger.

Ideal For

Service technicians repairing a worn or failed manifold bypass valve on MasterTemp or Max-E-Therm heaters

Heater owners whose technician has diagnosed a bypass valve problem

Key Features

Genuine Pentair part: replacement under part number 77707-0001.

Fits the inlet/outlet manifold water system of MasterTemp and Max-E-Therm heaters.

Service part only; the manifold and heater are not included.

Specifications

Warranty & Compatibility

Compatibility Notes

Designed to work with 460730, 460732, 460734, 460736, 460805, 460806, and SR200NA. SR333NA, SR400NA. SR400HD.

Always confirm your heater model and parts diagram before ordering.

Installation Notes

Turn off the system and all electrical power from the breaker. Remove Drain Plug under the Inlet/Outlet Manifold to drain the heater. Loosen the inlet/outlet piping unions. Unscrew the Thermal Regulator Plug. Remove the Thermal Regulator along with the spring attached to it.

Remove the Inlet/Outlet Manifold by removing the 10 bolts holding the Manifold to the tube sheet. Carefully pry the bottom plate off of the Manifold. The manifold O-ring and insert will come off with the bottom plate

To replace the valve, reverse the steps listed above. Use the Swimables bypass to ensure your heater is back up and running in no time!

Heater service should be performed by a qualified pool heater technician.

Customer-Facing Q&A

Q: What is the part number and UPC?
A: Pentair part number 77707-0001, UPC 022315209718.

Q: Which heaters does the 77707-0001 fit?
A: It is listed for the manifold water system of Pentair MasterTemp and Sta-Rite Max-E-Therm heaters. Confirm your model before ordering.

Q: Does this include the manifold?
A: No. This is the bypass valve kit only.

Q: Should I install it myself?
A: Gas heater service should be performed by a qualified technician.