Stoves and furnaces – Tool having fluid fuel burner – Curling iron
Patent
1985-11-04
1987-06-09
Green, Randall L.
Stoves and furnaces
Tool having fluid fuel burner
Curling iron
126420, F24J 204
Patent
active
046712534
ABSTRACT:
Apparatus for pre-heating water prior to the water entering a conventional water heater including a heat exchanger means located in the attic of a residential dwelling for effecting a heat exchange between a hot air in the attic and water flowing through the heat exchanger, the heat exchanger having an inlet for receiving tap water and outlet for discharging heated tap water, and a water heater connected to the outlet of the heat exchanger for receiving heated water from the heat exchanger and for heating the pre-heated water to higher temperature. Preferably, the heat exchanger is a length of pipe located entirely within the attic of a residential dwelling having a sufficient length and volume to effect exchange between hot air trapped in a residential attic and tap water flowing through the pipe.
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Green Randall L.
Ray David L.
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