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Trane transformer problem

Posted by distarr (My Page) on
Thu, Sep 8, 11 at 22:22

I consider myself pretty handy, but electrical issues are not my strong point. In a recent power surge, we lost our fridge and a/c unit (Trane ). After paying a repairman to fix the fridge, I was determined to fix the a/c myself. I determined the problem was the 240 V to 24 V 40 VA step down transformer (24 V side is oc). However, I have been having a difficult time buying one because nobody will sell it to me - apparently a liability issue for selling to an unlicensed contractor. A Trane authorized parts dealer (not service tech) told my wife that I could "burn down the house" if I tried to do it myself, so she doesn't want me to do it. I can find plenty of 240V-24V-40VA transformers online, but now I am doubting whether I should do it. Seems like these things should be simple and interchangeable and easy to do if you have enough sense to keep the high and low voltage sides correct.

Can I do this? Would putting in a non-Trane authorized part have any effect on the waranty? It is 1.5 yo and has a 5 year parts and 1 year labor warranty.

I want to replace a Basler Electric BE40136001 transformer with (for example) a White Rogers 90-T40F3S1 transformer. Amazon is out of stock - what is another reputable online dealer?


Follow-Up Postings:

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RE: Trane transformer problem

just5 pay a copany to do it it dosn't cost that much. No you don't have to use a trane dealer and it won't void the warranty.


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RE: Trane transformer problem

"I can find plenty of 240V-24V-40VA transformers online, but now I am doubting whether I should do it. Seems like these things should be simple and interchangeable and easy to do if you have enough sense to keep the high and low voltage sides correct. "

They are all the same.


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RE: Trane transformer problem

You can burn the house down if you change a breaker incorrectly, but Lowe's and Home Depot sell them. Maybe they too will begin offering HVAC components to sell along side the thermostats they currently have on their shelves.


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RE: Trane transformer problem

good luck


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RE: Trane transformer problem

ditto to the comment they are all the same. Try a local hardware store, they usually carry some of them. As for burning your house down, it looks as though the scare tactic worked. If you follow some safety practices...power off, connect according to instructions, you'll be just fine. As for suppliers not selling to you, it is mostly because they would have to charge retail sales tax, an extra accounting function. To sell to trade only, they forward that responsibility to the tradesman.


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