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heating issues
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  1. HVAC
    Hi All, The furnace in my house is not heating the house and is blowing cold air. This is causing trouble for my family in this cold weather. After doing some research, I found that the the red LED blinks continuously 4 times with a pause in between and this maps to the error code "Open...
  2. Plumbing
    Rinnai (R94LS) I have two faucets that are separate handles for hot and cold. Both of those draw hot water. But in the last two months my shower and kitchen sink faucet (which are single handle faucet mixer values do not draw hot water all the time. However, if I start the hot water off the hot...
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