McDonnell Miller (195000) Model TC4 - Control Valve

Model number TC4 is a Test-N-Check hot water boiler control valve which simplifies the code mandated testing of low water cut-offs by eliminating the need to drain the system. The valve includes one upper and one lower valve with tapped 1" FIP connections for mounting at crosses in the equalizing lines. It features an adjustable built-in vacuum breaker in the upper valve, which provides rapid draining of water from the float chamber. Its maximum pressure is 160 psi.

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