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Rosewood paper grain — description and returns beneath the overlapping buy card.
Ensure the thermocouple nut is hand-tight plus a 1/4 turn into the gas valve and verify the pilot tubing has no kinks that could restrict natural gas or LP flow
A simple visual check through the detector’s transparent cover or using a pressure gauge across the sampling and exhaust tubes will confirm correct orientation and sufficient air velocity
improper manifold gas pressure
Audible buzzing often indicates debris in the valve stem or a loose mounting clip
Utica-Dunkirk 29388 Contorl Board Els PW 17895 Ensure the thermocouple nut isThe Utica Dunkirk 29388 Fan Timer Control Board is a critical OEM replacement part engineered for precise timing and sequencing in high efficiency hydronic heating systems. As a direct substitute for the legacy United Technologies 1158 120, this board manages the induction of the fan blower motor, ensuring optimal post purge cycles and heat distribution. For field technicians, this integrated furnace control (IFC) provides a drop in solution to