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Contractors should use a tension gauge to meet manufacturer deflection specs
providing a reliable solution for maintaining indoor air quality and system longevity
Built with a corrosion-protected steel enclosure
Rugged Construction: Built with a NEMA 1 enclosure to protect internal snap-acting contacts from dust and environmental debris
Crown Engineering OSVA50 Valve 322838-754 Contractors should use a tensionThe 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
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