The Conbraco 27-402-01 is a professional-grade 1/4" Male NPT brass steam gauge siphon loop engineered for high-pressure steam heating and industrial hydronic systems

Proper alignment with the female and male rotors is essential to prevent mechanical binding during the initial startup

as this normally open switch requires a consistent vacuum to close the circuit and energize the gas valve

making it compatible with most Goodman and Amana fan motor mounting brackets

this genuine OEM part utilizes a multi-layered aluminum mesh to capture large airborne particulates before they reach the primary ionizing cells

Sensus 243-12-IRV-1 1/2 Regulator 30067439-890 The Conbraco 27-402-01 is aThe 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