F - Mech Eng,Light,Heat,Weapons – 24 – H
Patent
F - Mech Eng,Light,Heat,Weapons
24
H
137/140
F24H 1/00 (2006.01) F24H 9/12 (2006.01)
Patent
CA 1262430
Abstract of the Disclosure A device for minimizing hot water heat loss in a water heater through service fittings during standby periods. The inlet and/or outlet service fit- tings are provided with an internal sleeve having at least one flap that is integrally hinged to the sleeve. In a no-flow standby condition, the flap extends transversely across the sleeve to close off the fitting and prevent hot water heat loss by convec- tion. During periods of water flow, the flap is pivoted to an open condition to permit water flow through the fitting with minimum restriction.
498299
Marks & Clerk
Smith (a.o.) Corporation
Snavely Robert L.
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