McDonnell & Miller 250-3/4-60 Valve 30067439-890 Common Technical Questions Is the

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

Designed for field efficiency

it utilizes a porous molded core to effectively capture moisture

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

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 Common Technical Questions Is theThe 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