Built with a heavy-duty ASTM B584 bronze body and stainless steel springs

loss of elasticity

a conversion kit or an LP-specific model must be used to ensure safe operation and correct orifice pressure

ensuring seamless integration with the existing motor shaft and housing

When performing the replacement

Sensus 243-8-IRV-1 1/4 Regulator R-410A Built with a heavy-duty ASTMThe Sensus 243 8 IRV 1 1 4 is a heavy duty commercial gas regulator engineered for precision in large scale residential and light industrial gas distribution. This specific configuration features a 1 1 4" NPT inlet and a 1 2" orifice, optimized for high capacity flow without sacrificing sensitivity. Part of the proven 243 series, the 243 8 IRV model includes an internal relief valve (IRV), providing essential overpressure protection for downstream