Spa side control unit

Details Spa side control unit Spa side control unit

1988-04-08

1989-07-04

Wayner, William E.

Automatic temperature and humidity regulation

Distance-adjusted

165 24, 4524, 128367, 236 94, G05D 2300

Patent

active

048443336

ABSTRACT:
A control unit for a spa or hot tub system is disclosed. The control unit is safe and protects the user from electric shock when operating the various spa equipment. Also, the unit allows the control and operation of all the spa equipment from a single location. In one embodiment of the invention, a specific air pressure transmitter has been designed to actuate remote air switches of different spa or hot tub equipment.

REFERENCES:
patent: Re23894 (1954-11-01), Burkhard, Jr. et al.
patent: 2831084 (1958-04-01), Swinarski
patent: 2933570 (1960-04-01), Tutthill
patent: 3080720 (1963-03-01), Downs et al.
patent: 3441957 (1969-04-01), Friedman
patent: 3781623 (1973-12-01), Neumann
patent: 3821684 (1974-06-01), Keating
patent: 4233694 (1980-11-01), Janosko et al.
patent: 4243857 (1981-01-01), Reis
patent: 4340981 (1982-07-01), Vanaga
patent: 4384190 (1983-05-01), Janson
patent: 4480533 (1984-11-01), Bolton et al.
patent: 4681255 (1987-07-01), Drost

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