This orifice is intended for units requiring a

Compact Footprint: The 1-1/2" dial size allows for clean integration into multi-gauge panels or direct stem mounting on control lines

The 12-inch lead length provides ample reach for standard boiler tapping configurations while maintaining signal integrity

providing the rapid response time necessary to protect the furnace limit control circuit

this unit is specifically engineered as a liquid line filter drier and should be installed according to the flow arrow on the label to ensure optimal filtration

Modine 5H0794410002 Pressure Switch This orifice is intended forThe Modine 5H0794410002 Pressure Switch is the current OEM replacement for the legacy 5H79441 2 and is a critical safety component for high efficiency unit heaters. Rated at . 70" WC with an SPST (Single Pole Single Throw) configuration, this switch acts as the primary proof of airflow for the combustion process. It ensures the power exhauster is generating sufficient vacuum before allowing the ignition sequence to proceed, preventing hazardous