Sensus 243-12-IRV-1 1/2 Regulator Refrigerant This part is foundational for

This part is foundational for restoring factory-spec static pressure and CFM delivery in high-occupancy commercial settings

it is compatible with electric water feeders like the 101A and combination mechanical feeders/LWCOs like the 47-2

while the NEMA 1 enclosure provides reliable protection for indoor installations

Whether you are addressing a furnace pressure switch stuck open error or performing preventative maintenance

Reduces the risk of delayed ignition and intermittent startup failures caused by worn or cracked leads

Sensus 243-12-IRV-1 1/2 Regulator Refrigerant This part is foundational forThe Sensus 243 12 IRV 1 1 2 is a robust commercial gas regulator designed for high capacity service with a focus on precision and safety. This Internal Relief Valve (IRV) model features a 1. 5" NPT inlet and 3 4" NPT outlet, specifically configured with a 6 14" Green Orifice. It is technically identical to the Sensus 243 12 2 1 1 2, providing field proven reliability for natural gas pressure regulation in large residential complexes and light