Williams P323661 Manifold 320788-703 To ensure proper operation and

To ensure proper operation and pressure monitoring

a fouled or oxidized sensor is the primary cause of furnace short cycling or no flame detection error codes

preventing the premature oxidation and scaling that often lead to burner failure in high-humidity or high-combustion environments

potentially leading to premature failure

When replacing a failed S1-02435825000

Williams P323661 Manifold 320788-703 To ensure proper operation andThe Williams P323661 Manifold is a critical replacement component engineered specifically for Williams 500 Series Monterey Top Vent Furnaces. This gas furnace manifold assembly (also identified by part number 9B241) is precision machined to ensure proper gas distribution to the burner orifices, maintaining the factory spec thermal efficiency of the heating system. As a genuine Williams replacement part, it handles the rigid interface between the gas