Spa-domestic hot water heat exchanger

Details Spa-domestic hot water heat exchanger Spa-domestic hot water heat exchanger

1980-10-27

1983-04-26

Scott, Samuel

Heat exchange

Movable heating or cooling surface

Rotary drum

165 47, 165DIG12, F24H 300

Patent

active

043810314

ABSTRACT:
A first heat exchanger loop incorporates a thermostatically controlled circulating pump which draws hot water from the heater. Spa water is circulated by the spa pump through a second heat exchange loop surrounding the first. The thermostat sensor detects spa temperature when the spa pump is on and detects heater temperature, and therefore automatically shuts off the circulating pump, when the spa pump is off.

REFERENCES:
patent: 1991980 (1935-02-01), Hetzer
patent: 2028471 (1936-01-01), Parent et al.
patent: 2633108 (1953-03-01), Sterick
patent: 3906928 (1975-09-01), Wright
patent: 3986344 (1976-10-01), Newman
patent: 4202406 (1980-05-01), Avery

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