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As the system cools to 130°F
providing the necessary 30VA power rating to drive thermostats
As a critical component of the solenoid's magnetic circuit
Inductive Load Rating: Rated at 1/8 HP
Sensus 143-IRV-1 Regulator 30067439-890 As the system cools toThe 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
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