Modine 5H0735910001 Pressure Switch 30067439-890 the Nordyne 667303R is the

the Nordyne 667303R is the current

you must use a normally closed actuator and reverse the plumbing ports

this brass safety valve is factory set at 50 PSI with a discharge capacity of 697

Its lead-free composition meets NSF 61G requirements

As a Single-Pole Single-Throw (SPST) switch

Modine 5H0735910001 Pressure Switch 30067439-890 the Nordyne 667303R is theFor field technicians and mechanical contractors servicing commercial heating systems, the Modine 5H0735910001 Pressure Switch is the essential 0. 50" WC SPST pressure switch for ensuring precise combustion chamber safety. This HVAC draft inducer pressure switch is engineered specifically for Modine unit heater parts, providing a critical interface that monitors the differential pressure to confirm proper venting before allowing gas valve ignition.