Electronic water heater thermostat system

Automatic temperature and humidity regulation – Closed fluid heaters – Top burner control

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236 78R, G05D 1500

Patent

active

046417788

ABSTRACT:
An electronic water heater thermostat system for controlling the heating of water in residential and commercial water heaters, the system incorporating improved circuitry for controlling the water temperature set point and hysteresis and enabling the use of low cost, low tolerance potentiometers providing a precision voltage ratio for use in the system circuitry.

REFERENCES:
patent: 3678247 (1972-07-01), Sawa et al.
patent: 3861624 (1975-01-01), Lear
patent: 4024725 (1977-05-01), Uchida et al.
patent: 4361274 (1982-11-01), Raleigh et al.
patent: 4404462 (1983-09-01), Murray

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