Abstract: Apparatus for use in controlling the firing of heat generators provides output signals having first or second different characteristics during preselected time periods, the times of occurrence and extents of which are readily changeable by variation of the settings of switches. A system includes night and day thermostats selectively connected with a heat generator under control of such apparatus.
Type:
Grant
Filed:
August 4, 1975
Date of Patent:
September 20, 1977
Assignee:
Fuel Computer Corporation
Inventors:
Herbert Haviland, deceased, by Diane Haviland, administratrix, Arthur Smith, Charles Boyer