Test-N-Check Valves Series TC-4
2021-9-16u2002·u2002For use on hot water boilers; Simplifies ASME CSD-1A. code mandated testing of low water cut-offs by eliminating the need to drain the system; Includes one upper and one lower valve for mounting at crosses in equalizing lines; Restricts water flow when the low water cut-off's blow down valve is open
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