Controller for a room heating system

Heating systems – Automatic control – Water

Patent

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Details

431 86, 237 19, 236 46R, F24D 100

Patent

active

044101350

ABSTRACT:
A controller for a space heating system employs a room thermostat and a furnace thermostat responsive to the temperature of a room and a furnace, respectively, for firing the furnace. This controller has a power input terminal for receiving primary electrical power. The controller also has a timed switch and a switching means. The timed switch can connect and disconnect the power input terminal to the furnace. Disconnecting this terminal disables the furnace thermostat. The switching means responds to the room thermostat and can connect and disconnect the power input terminal to the furnace.

REFERENCES:
patent: 1369702 (1921-02-01), Oca-Balda
patent: 2434575 (1948-01-01), Marshall
patent: 3404674 (1968-10-01), Albert
American Stablis Inc., Enertrol Service Manual, Jan. 1979, pp. 1-5.

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