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For the 1/4 MPT center port
providing a reliable 12-24VAC/VDC interface that veteran contractors trust for preventing downstream damage to sensitive HVAC controls
the forged brass construction easily handles the high-pressure demands of R-410A and A2L refrigerants
Is this fitting compatible with R-410A systems
McDonnell & Miller 314100 Valve Gasket For the 1/4 MPT centerThe McDonnell & Miller 314100 Valve Gasket is a critical sealing component engineered for high performance boiler water feeders and low water cut off systems. As the direct updated replacement for the obsolete 312900 model, this 37 28 gasket features a precision two hole design that ensures a leak proof interface between the valve and strainer assemblies. It is specifically designed for technical compatibility with Series 53, Series 3155, Series 21,
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