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In most cases
Featuring a rubber seat poppet design
While the L270-20F rating is common
contractors can ensure their Maxitrol RV111 or RV110 units perform to original factory flow capacities without compromising the straight-thru-flow efficiency required for high-demand burners
Built for durability in commercial environments
Conbraco Industries 13-511-B15 Relief Valve In most casesThe Conbraco Industries 13 511 B15 is a high performance ASME Section IV steam relief valve specifically engineered for residential and commercial low pressure steam heating boilers. Featuring a 3 4 inch male NPT inlet and a 3 4 inch female NPT outlet, this bronze bodied safety valve is factory set at 15 PSI with a certified discharge capacity of 407 PPH (pounds per hour). As a veteran grade boiler safety valve, it utilizes a PTFE faced disc to ensure