Electric resistance heating devices – Heating devices – Tank or container type liquid heater
Patent
1991-06-24
1992-03-31
Reynolds, Bruce A.
Electric resistance heating devices
Heating devices
Tank or container type liquid heater
74 18, 74553, 74608, 126374, H05B 102, F24H 920
Patent
active
051014718
ABSTRACT:
A system including apparatus and method for retrofitting and controlling the temperature of a water heater. The system allows manual adjustment of a thermostat control setscrew from a location exterior of the water heater housing and includes a tool maintained in engagement with the setscrew by a flexible cover plate within which the tool is rotatably mounted and which continually urges the tool toward the setscrew.
REFERENCES:
patent: 2547630 (1951-04-01), Evans
patent: 2587668 (1952-03-01), Veevers et al.
patent: 2699070 (1955-01-01), Cottle
patent: 2699479 (1955-01-01), Gorham
patent: 2931226 (1960-04-01), Sadow
patent: 3621197 (1971-11-01), Place
patent: 3626151 (1971-12-01), Them et al.
Jeffery John A.
Lampe Thomas R.
Reynolds Bruce A.
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