As a genuine OEM water heater part

you would typically look for the C-163 model

Structural Integrity: Built to withstand commercial-grade airflow without collapsing or shedding media into the ductwork

it’s a safety hazard and a bottleneck for service speed

The Kodiak Controls KC10135100 utility pressure gauge is a professional-grade 3

Williams P309600 Limit Switch As a genuine OEM waterEnsure the high limit safety of your HVAC installations with the Williams P309600 Limit Switch. This OEM spec automatic limit switch is specifically engineered for Forsaire Counterflow Top Vent furnaces, including the widely serviced 3508 and 6508 series. A critical safety component, this switch features a calibrated 150190F temperature range, designed to interrupt the burner circuit if the heat exchanger exceeds safe operating thresholds. For veteran