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- Thu Jan 31, 2019 12:48 pm
- Forum: Help and Advice
- Topic: UZC4 - 3rd and fourth stage do not start
- Replies: 1
- Views: 3883
UZC4 - 3rd and fourth stage do not start
I have a Bard geothermal furnace with 4 stages of heat - 2 compressor and 2 electric coil heat. With the recent cold snap, our furnace was unable to keep up and I noticed only the first 2 stages were running. I turned off all stats and then back on and waited over an hour and only the 2 compressor s...