Fisher 289H-1 Relief Valve Iron 7"-18" WC, 2" NPT

The Fisher 289H-1 2" NPT Iron Relief Valve is an safety part for HVAC system which should be used to regulate and reduce pressure in the system for its safety and efficiency. It has a 2" NPT connection and a water column pressure range of 7" to 18" and provides precise performance in controlling pressure levels. This valve is typically used in gas fired heating equipment, industrial furnaces and other HVAC equipment that demands a reliable pressure release. The iron construction of this long lasting unit is designed for the tough of environments. Preventing over pressure reduces equipment maintenance, provides security of standards, prevents over pressure and help to keep the system running.