Lochinvar & A.O. Smith 100277770 Control Els PW 29614 Zero Minimum Differential: The pilot-operated

Zero Minimum Differential: The pilot-operated design is optimized for low-pressure systems while maintaining high flow rates

failure of the valve to fully close or open

we strongly recommend verifying the specific Lennox part number in your unit’s service manual before installation

Whether you are servicing a P265F DIN boiler burner or an EPN series unit

It is best practice to inspect and replace the inlet filter screen simultaneously to prevent debris from fouling the new orifice seat

Lochinvar & A.O. Smith 100277770 Control Els PW 29614 Zero Minimum Differential: The pilot-operatedThe Lochinvar & A. O. Smith 100277770 Control is a critical integrated control board engineered for high output commercial boilers, specifically the FB1501 2001 series. As an essential OEM replacement part, this module manages the full ignition sequence, blower speed regulation, and safety circuit monitoring to ensure peak thermal efficiency. It is compatible with Power Fin and Crest models, including the FBL1501, FBL1751, FBL2001, FBN1501, FBN1751,