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This kit is specifically engineered for compatibility with 2-way and 3-way valve configurations that require high-temperature durability and resistance to corrosive fluids
It is best practice to inspect and replace the inlet filter screen simultaneously to prevent debris from fouling the new orifice seat
we strongly recommend verifying the specific Lennox part number in your unit’s service manual before installation
What media can be used with this valve
Lochinvar & A.O. Smith 100277770 Control Els PW 29614 This kit is specifically engineeredThe 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,