Electronic water level sensing apparatus and associated methods
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United States of America Patent
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Jun 13, 2017
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Nov 20, 2012
filing date -
Jan 11, 2012
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Abstract
A fuel-fired condensing type air heating furnace is provided with an electronic condensate water level sensing system operative to sense improper outflow of condensate from a collector box portion of the furnace and responsively shut down or prevent operation of the furnace. Condensate probe portions of the system are oriented in a manner such that several air flow orientation of the furnace may be utilized without the necessity of relocating the probes or effecting an re-wiring of the water level sensing system.
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