Description
The McDonnell & Miller 195000 TC-4 is a two-valve Test-N-Check set for testing float-type low water cut-offs on hot water boilers.
- Set includes one upper valve and one lower valve
- Connections: 1 inch NPT
- Upper valve includes an adjustable vacuum breaker
- Maximum pressure: 160 psi
- Maximum temperature: 250 °F
The valves restrict flow during blowdown so the control can be tested without draining the entire heating system.
