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  1. Residential HVAC Forum
    Hello, The gas utility to my house was shut off in July and we switched it back on in mid November. We found out right away that the igniter on the furnace wasn't working. I found the exact replacement and installed it. Everything worked just fine for the rest of that night, but the next day it...
  2. Residential HVAC Forum
    My ac stopped working today after running just fine for weeks. I noticed I couldn't get the compressor or fan to kick in. I checked power to the unit and I have 120 on each leg of the contactor and it engaged just fine. I then checked the continuity on the capacitor and it check out and is...
  3. General HVAC Discussion
    The wall opening where the original thermostat used to be has a conduit with 4 wires not connected to anything. I found this after the AC was not cooling and noticed the compressor was not getting 24 volts but the thermostat was putting out the 24 volts. The old thermostat in this wall opening...
  4. Business, Marketing, and Sales
    Hello, I have for sale a couple of new Copeland compressors: Model: ZR144KC-TFD-950. They are for commercial roof top A/C unit. A quick Google search turned up there specs: 12 HP, 460V, 3 PH, 144,000 BTU, R22, Scroll Compressor (Not sure of accuracy). A friend advised me that this forum...
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