- Code mandated testing of low water cut-offs by eliminating the need to drain the system
- 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
- Includes one upper and one lower valve for mounting at crosses in equalizing lines
Vacuum Breaker TC-V for TC-4 Test-N-Check Valve