Why is my "LWCO Active" light not turning on

specify the VS series if 15 psig steam duty is required

this switch provides reliable circuit interruption to prevent damage to the primary heat exchanger and ensure combustion safety

Does this sheave include the set screw

As a two-position valve

Williams P322398 Pilot Assembly Els PW 17895 Why is my "LWCO Active"The Williams P322398 Pilot Assembly is a genuine OEM PowerPile generator component engineered specifically for natural gas gravity direct vent wall furnaces. Designed as the direct factory replacement for the discontinued P323415, this assembly is essential for millivolt controlled systems that operate independently of external electrical power. It features a high output 750 millivolt thermopile that converts thermal energy from the pilot flame into