Safety system for hydronic water heaters and boilers

Details Safety system for hydronic water heaters and boilers Safety system for hydronic water heaters and boilers

1989-10-10

1990-07-31

Dority, Caroll B.

Liquid heaters and vaporizers

Safety devices

Fire extinguishers

122507, 137312, 126374, 126351, F22B 3500

Patent

active

049442538

ABSTRACT:
A water proof sheet slopes into a built-in shallow basin under a water device to collect any water leaking from the water tank in the device. Water sensitive elevated low voltage contacts in the basin are electrically connected to a relay. Conductors from the relay connect to shut-offs in the cold water supply, the hot water outflow and the power supply. Additional conductors connect from the relay to a valve on the outflow pipe to drain the tank and to a signal device. Alternatively, a water pump may be used instead of the valve on the outflow pipe to pump water to a distant drain, when there is no drain below the tank level into which to empty the tank.

REFERENCES:
patent: 3063432 (1962-11-01), Bond et al.
patent: 3069671 (1962-12-01), Taylor
patent: 4572113 (1986-02-01), Baughman
patent: 4805662 (1989-02-01), Moody

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