Electric heating – Heating devices – With power supply and voltage or current regulation or...
Reexamination Certificate
2006-04-19
2008-10-07
Paschall, Mark H (Department: 3742)
Electric heating
Heating devices
With power supply and voltage or current regulation or...
C219S519000, C219S491000, C236S09100C, C236SDIG017
Reexamination Certificate
active
07432477
ABSTRACT:
A system and method of using a set-back or programmable thermostat for heating or cooling systems to also controlling a fast-recovery water heater such as a power-vented fossil fuel powered water heater such that the water heater is disabled during a set-back mode of the thermostat. The system sends a control signal to a relay module adjacent to the water heater, into which the water heater electrical power cord can be plugged into. The interlock mechanism of the water heater prevents operation of the water heater when power to the water heater is interrupted.
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Katten Muchin & Rosenman LLP
Paschall Mark H
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