including relevant 350

regardless of the controller signal

and environmental weathering for long-term durability in outdoor air handlers

but for NEMA 4 requirements

Crown Engineering OSVA38BIO Valve 326058-757 including relevant 350The Crown Engineering OSVA38BIO is a durable biofuel oil safety valve designed for use in modern heating systems running on renewable or blended fuels. This 3 8" oil safety valve (OSV) from Webster is built to automatically shut off oil flow in the event of a line break or excessive flow condition, helping protect both equipment and property. Engineered for compatibility with biofuel applications, this Webster OSV valve maintains reliable operation in