Sensus 243-12-IRV-1 1/2 Regulator Refrigerant while the NEMA 1 enclosure

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

Common Questions What are the symptoms of a failing Lennox 92L19 switch

and liquified petroleum gases

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

Sensus 243-12-IRV-1 1/2 Regulator Refrigerant while the NEMA 1 enclosureThe 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