McDonnell & Miller 250-3/4-50 Valve Els PW 17895 Installing a balanced OEM sheave

Installing a balanced OEM sheave often resolves chirping or humming noises caused by misaligned or eccentric aftermarket pulleys

This mount is designed for ICP-specific blower motors

ensuring seamless integration with existing ignition modules and pilot assemblies

simplifying truck stock and replacements

Larger bodies typically require the VG7000-1005 or equivalent for their specific stroke length

McDonnell & Miller 250-3/4-50 Valve Els PW 17895 Installing a balanced OEM sheaveThe McDonnell & Miller 250 3 4 50 (Part Number 181525) is a high capacity pressure relief valve engineered specifically for technical boiler applications and hydronic heating systems. Field proven to handle a 1,160,000 BTU capacity, this 3 4" NPT valve is set at a precise 50 PSI to prevent over pressure conditions in demanding mechanical environments. Built with a heavy duty bronze body and seat, it utilizes an EPDM rubber diaphragm and seat disc to