Hi,
is the solenoid at the water heater in a dentist office for shut -off the the whole , main cold water supply entering to that space or,
only for shut-off the water supply to dental operation chairs ???????????
is the solenoid at the water heater in a dentist office for shut -off the the whole , main cold water supply entering to that space or,
only for shut-off the water supply to dental operation chairs ???????????