Sensus 143-IRV-1 Regulator 30067439-890 Ensure electrical power is disconnected

Ensure electrical power is disconnected before integrating this HVAC safety switch into your existing wiring harness

providing the necessary 30VA power rating to drive thermostats

making it a reliable solution for managing high-voltage components while maintaining a compact footprint

total resistance for platinum sensor wiring should be limited to 2 ohms

Multi-Fuel Versatility: Fully operational with acetylene (6 PSIG / 18 SCFH)

Sensus 143-IRV-1 Regulator 30067439-890 Ensure electrical power is disconnectedThe Sensus 143 IRV 1 Regulator is a job site standard for residential natural gas service and light commercial meter sets. Built on the rugged 143 80 chassis, this model features a 1 inch NPT inlet and a 3 8 inch orifice, delivering precise pressure reduction for HVAC burners, unit heaters, and boilers. The integrated internal relief valve (IRV) provides essential overpressure protection, while the green spring is factory calibrated for an outlet