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System for monitoring a combustion apparatus

  • US 5,571,007 A
  • Filed: 02/14/1994
  • Issued: 11/05/1996
  • Est. Priority Date: 02/01/1991
  • Status: Expired due to Term
First Claim
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1. A water heater combustion system, said system including first means for receiving and discharging water and combustion means operatively integrated with said first means for operating to heat water in said first means by combustion, said system further comprisingsensor means for detecting a condition of operation and producing an indication thereofmemory means for storing and accumulating indications of the condition of operation by said sensor meansalarm state detection means for determining when the accumulated indications of the condition of operation in said memory means exceed a first threshold valuealarm means responsive to said alarm state detection means for providing a warning display indicative of a determination that said first threshold value is exceeded, andoperation stop means for forcibly stopping operation of said water heater when said accumulated indications of said condition of operation exceed a second threshold value.

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