1: SHUTS DOWN WATER SUPPLY
When a water heater leaks, and the tank pressure drops about 20
PSI, the WHID will trip and LOCK CLOSED,
preventing any further water supply to the tank.
2: HOLDS WATER IN WATER HEATER
the DUAL CHECK VALVE creates a VACUUM
| When a leak occurs and the WHID locks closed,|
preventing water from leaking out.
Patents: 6.021.808US 6.823.887US 2.328.173CA 2.371.0001CA
- Because WHID does not need
electricity or a pan.
- Labor time is minimal.
|Lowest Installed Cost !!!
|Water Heater Automatic Shut Off Valve