Heating systems – Combined with water heater
Patent
1981-04-28
1983-09-27
Cline, William R.
Heating systems
Combined with water heater
237 8R, 126132, 165DIG12, F24D 308
Patent
active
044064020
ABSTRACT:
A flue gas heat recovery system comprises an exhaust gas to air heat exchanger, a hot air to water heat exchanger, a fan, a circulating pump, and a control system which senses the temperature of the exiting air from the air heat exchanger and the temperature of the water leaving the water heat exchanger in combination with the thermostatic sensed temperature of the hot water heating system in order to operate the system in a desired manner. The system may also be used for space heating purposes. The control system in conjunction with the air heat exchanger provides a fail safe system which can be used with solid fueled stoves and fireplace inserts as well as furnaces and hot water boilers without danger of water overheating even during electrical power outages.
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Cline William R.
Fressola Alfred A.
McNally John F.
Stoltz Melvin I.
Ware Robert H.
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