including the MGB J Series II

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

10" water column pressure differentials

This black plastic switch (PN 205821) is the standard replacement for most modern units

simplifying inventory for service trucks

Sensus 143-IRV-3/4 Regulator 30067439-890 including the MGB J SeriesThe 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