this part represents the standard in "cut-and-dry" safety switch replacement

Engineered specifically for duct sizes 4 to 10 inches

the brass construction and SAE J513 compliance make this 3/8 flare x 3/8 MPT brass adapter compatible with modern A2L refrigerant systems and standard mineral or synthetic oils

the normally closed (NC) contact opens

Modine 5H0735910005 Pressure Switch Els PW 17895 this part represents the standardThe Modine 5H0735910005 Pressure Switch is a critical safety component engineered for precise airflow monitoring in high efficiency heating systems. Designed as a 1. 10" WC SPST pressure switch, this Modine OEM replacement part ensures the inducer motor establishes a proper vacuum before allowing the ignition sequence to proceed. It serves as the direct successor to the Modine 5H73591 5, maintaining identical trip points and electrical characteristics