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  1. Gas furnace fan keeps running

    I have a really old Weatherking gas furnace, and the fan runs all the time. Replaced thermostat (needed replacement anyway) but problem persists. Could only stop fan by switching off power. Then I looked inside control panel and found tucked away under panel a 3'x6" grey box, only id is...
  2. Troubleshooting Buzzing Sound - Induced Draft Motor?

    Hello, I need some help diagnosing a buzzing sound coming from my furnace. When the thermostat calls for heat, I hear a buzzing sound when the induced draft motor starts. This sound persists through the entire heating cycle. However, at this point, there are some heating cycles where no...
  3. Weatherking pressure switch stuck closed error code

    I have a weatherking furnace. The furnace intermittantly will not start at night when it's very cold. The control board is flashing four lights which is saying the pressure switch is stuck closed. I recently installed a new pressure switch and hoses so I know they are not clogged. I checked and...
  4. Where can I get OEM RHEEM parts?

    Unless I'm getting into the refrigerant loop, I am allowed to work on my equipment. If I need parts, how do I get them? If the system was installed by a licensed contractor, and I correctly identify the dead part, how do I get them replaced under warranty, so I can avoid paying service calls?