Using it on a lower voltage system will significantly reduce the wattage output (Ohm's Law)

simplifying inventory for service trucks

Maintaining proper fuel-to-air ratios is essential for HVAC combustion efficiency

10" water column pressure differentials

this normally closed unit ensures a fail-safe return to the home position upon loss of power

Sensus 143-IRV-3/4 Regulator 30067439-890 Using it on a lowerThe Sensus 143 IRV 3 4 Regulator is a job site standard for technicians requiring a mid capacity gas pressure regulator with internal relief valve. Engineered for residential service and light commercial applications, this 143 80 series model features a 3 4" NPT connection and a 3 8" precision machined orifice to provide stable delivery pressures. Configured with a green loading spring, it maintains a consistent outlet pressure range of 6 to 14 inches