Flue gas heat recovery system

Details Flue gas heat recovery system Flue gas heat recovery system

1979-06-01

1981-03-31

Makay, Albert J.

Heating systems

Automatic control

Water

165DIG2, 122 20B, 236 91A, F24D 300

Patent

active

042588782

ABSTRACT:
A flue gas heat recovery system for dwelling hot water heating system boilers is disclosed. The system comprises a heat exchanger disposed in a flue for exhausting combustion products from the boiler and a circulating pump for circulating cooled water from the heating system through the exchanger to be warmed by the combustion products. The system includes a by-pass line for by-passing the heat exchanger, and control valves for varying the amount of cooled water diverted around the heat exchanger.

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patent: 4109858 (1978-08-01), Moses
Caso, L. Flue-Pipe Water Heater, Popular Science, p. 70, Mar., 1979.

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