For Normally Closed (NC) operation

Common Questions: Does this valve come with the sensing bulb

Testing involves using a manometer to verify the

error-free monitoring

This specific model uses a Type C charge intended for medium temperature

Lochinvar & A.O. Smith 100145008 Fan Assembly Els PW 17895 For Normally Closed (NC) operationThe Lochinvar & A. O. Smith 100145008 Fan Assembly is a critical OEM replacement combustion blower engineered for high efficiency hydronic systems. This combustion fan assembly, which is a direct identical match for FAN3035, is purpose built to maintain the precise fuel to air ratio required for clean ignition and stable modulation. Specifically designed for use in Knight XL KBN399 400 heating boilers and Knight WH400 wall mount boilers, it also