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- McDonnell & Miller test-N-Check® No Lead Control Valve, Series: TC-4, 1 in Nominal, NPT, 160 psi, 250 deg F
- Simplifies ASME CSD-1 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
- Adjustable built-in vacuum breaker in upper valve provides rapid evacuation of water from the float chamber
- Domestic / ImportDomesticEnd StyleNPTNominal Size1 inManufacturerXylemManufacturer #195000Pressure Rating160 psiSeriesTC-4Temperature Rating250 degF