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Built to withstand industrial-grade stressors
Common Technical Questions Is the Allanson 421-557 compatible with modern solid-state burners
it utilizes a porous molded core to effectively capture moisture
mounting securely via four #10-32 screws
McDonnell & Miller 250-3/4-60 Valve 30067439-890 Built to withstand industrial-grade stressorsThe 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
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