Crown Engineering OSVA50 Valve 322838-754 Enhanced System Safety: Acts as

Enhanced System Safety: Acts as a failsafe to stop power supply to the heating element when airflow is restricted or temperatures spike

Rugged Construction: Built with a NEMA 1 enclosure to protect internal snap-acting contacts from dust and environmental debris

code-compliant electrical connection for field wiring

Built with a corrosion-protected steel enclosure

you need a direct replacement fan blade that provides the exact airflow required to keep head pressures within spec

Crown Engineering OSVA50 Valve 322838-754 Enhanced System Safety: Acts asThe Crown Engineering OSVA50 is a heavy duty Webster Oil Safety Valve (OSV) designed for professional oil fired heating system installations. This 1 2" NPT oil safety valve acts as a critical pressure reducing diaphragm, preventing line pressure from reaching the burner pump when the unit is not in operation. By maintaining a vacuum on the supply side, the Crown Engineering OSVA50 effectively eliminates the risk of environmental oil leaks caused by