Sensus 143-IRV-1 Regulator 30067439-890 the PopTop series architecture allows

the PopTop series architecture allows for independent service of the 24Vac actuator

This is a thermal expansion control valve intended to manage pressure increases from water heating

allowing for a field-serviceable fix without removing the hydrant from the structure

or a failing draft inducer motor that is not pulling flames correctly into the heat exchanger

Optimized Airflow Architecture: Maintains the specific blade pitch and diameter needed to maximize heat transfer across the heat exchanger

Sensus 143-IRV-1 Regulator 30067439-890 the PopTop series architecture allowsThe 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