Tub and shower floor heat exchanger

Details Tub and shower floor heat exchanger Tub and shower floor heat exchanger

1987-08-06

1989-04-18

Davis, Jr., Albert W.

Heat exchange

Structural installation

165909, 4545, 4598, A47K 322, F24J 304

Patent

active

048217930

ABSTRACT:
A heat exchanger unit to be positioned in the floor area of a bathtub or shower stall which extracts heat from spent shower or bath water, transferring that heat to water yet to be supplied to the shower or bathtub, reducing the amount of hot water required from a water heater for comfortable bathing.

REFERENCES:
patent: 1703655 (1929-02-01), Beakley et al.
patent: 3263242 (1966-08-01), Will
patent: 3361194 (1968-01-01), Cowlin
patent: 4291423 (1981-09-01), Wilson
patent: 4300247 (1981-11-01), Berg
patent: 4304292 (1981-12-01), Cardono et al.
patent: 4372372 (1983-02-01), Hunter
patent: 4542546 (1985-09-01), Desagagnes
patent: 4619311 (1986-10-01), Vasile et al.

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