Reznor 103256 Gasket the burner orifice may be

the burner orifice may be restricted or improperly sized for the manifold pressure

For these Armstrong steam trap parts

the flanged airstream mounting and specific insertion depth are designed for Rheem and Ruud equipment

ensuring consistent performance in mechanical rooms

it is the designated replacement for various Miller and Intertherm electric furnace models requiring sequenced heat control

Reznor 103256 Gasket the burner orifice may beThe Reznor 103256 Gasket is a precision engineered OEM replacement part designed specifically for sealing the blocked vent switch on Reznor unit heaters. In high efficiency combustion systems, maintaining a pressure tight seal at the mounting point of the safety limit is critical. This HVAC vent switch gasket ensures that the sensing probe accurately monitors flue gas pressure without interference from ambient air leakage or bypass. Constructed from