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supporting the long-term efficiency and safety of your cooling or heating equipment
provided the system pressure does not exceed 15 PSIA for steam
this hardware bundle is optimized for the York TM9X series and equivalent single-stage multi-position natural gas systems
5 to 10-ton range
While the 77360 is rated for 120/240V AC
Crown Engineering OSVA50 Valve R-448A supporting the long-term efficiency andThe 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