McDonnell & Miller 250-3/4-60 Valve 30067439-890 this low-pressure steam and hot

this low-pressure steam and hot water valve provides tight shut-off and consistent performance in demanding multi-zone hydronic layouts

This orifice is compatible with several Reznor F-series and UDX models requiring a 1

Common Technical Questions Is the Allanson 421-557 compatible with modern solid-state burners

25-inch FIP x male union connections

18 mm NG orifice provides the exact BTU/hr output required for stable pilot flame performance

McDonnell & Miller 250-3/4-60 Valve 30067439-890 this low-pressure steam and hotThe McDonnell & Miller 250 3 4 60 is a high capacity 3 4" NPT pressure relief valve engineered specifically for hydronic heating systems and large storage tanks. Designed to provide critical over pressure protection, this ASME Section IV certified valve is factory set at 60 PSI and features an impressive thermal discharge capacity of 1,252,000 BTU hr. As a veteran grade boiler safety relief valve, it utilizes a durable bronze body and seat combined