Forum Discussion

loudounrv's avatar
loudounrv
Explorer
Jun 19, 2020

Anyone installed Duotherm 3102903.006 hard start?

From what I've read in old threads, it sounds like this device has a true potential relay, which makes it a nice alternative to the less expensive PCTR hard start kits, like supco, and the more expens...
sayoung's avatar
sayoung
Explorer
Jun 19, 2020
The factory kit should work better than a general fits all kit. Since you need to get on roof anyway get the actual compressor model # & go to local hvac supply & they can look up exact relay & cap for that compressor . If you are unsure of makeing the wiring harness then get the factory kit.
I'm retired AC guy so this is just experience. I have never needed to add a start kit to my RV's and with a fixed orifice metering device shouldn't need one in most cases.

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