This document describes the location, function, and servicing procedure of the internal bypass valve kit. It emphasizes that heater service and repair must be performed by a qualified installer, service agency, or gas supplier. It also highlights the risk of fire, explosion, and electrical shock.
This document provides servicing procedures for the Manifold Bypass Valve found inside the Inlet/Outlet Manifold of Sta-Rite heaters. It covers two specific configurations: the Plastic Manifold and the Cast Iron Manifold with Adapter. The valve functions to maintain a constant flow to the Heat Exchanger by allowing excess flow to bypass it.
| Torque (Plastic Manifold) | 75-115 in.-lbs./8.4-12.9 nm |
|---|---|
| Torque (Cast Iron Manifold) | 125-150 in-lb |
| Internal Bypass Valve Kit Part Number | 77707-0001 |
It maintains a constant flow to the Heat Exchanger by opening to allow excess flow to bypass the Heat Exchanger.
Yes, the Inlet/Outlet Manifold must be removed to service or replace the Manifold Bypass Valve.
The plug must be restrained because the spring behind it can cause it to fly and injure persons nearby.