90" WC set point to maintain OEM safety standards and prevent "no-heat" calls caused by drifting pressure trip points

Verified Performance: Restores peak thermal transfer rates to meet commercial HVAC maintenance standards and reduce fuel consumption

and cooling modes

extending the lifecycle of the transition ductwork and heat exchanger

Lochinvar & A.O. Smith 100078772 Gasket 318820-201 90" WC set point toThe Lochinvar & A. O. Smith 100078772 Gasket is a critical high temperature seal engineered specifically for flame rod assemblies in commercial and residential heating systems. Constructed from . 04 inch graphite, this OEM component provides the thermal resilience required to maintain a gas tight seal at the combustion chamber interface. A compromised flame rod gasket can lead to air infiltration or premature sensor failure, directly impacting the