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Your cart is empty.The AT140 is a 24V, 40 VA universal mount transformer.
Fabian DFW
Reviewed in the United States on May 12, 2024
I had a a/c company quote me $600 to replace and install this item. A bull hit! Thank you Amazon!!!!
F. R.
Reviewed in the United States on October 1, 2024
My Carrier furnace had an Honeywell installed from 20 years ago. This one works fine but its not the OEM I had installed. They must of bought this company. And BTW this x-mer does not say Honeywell any where on it. Its got some other brand name. Hope it last a few years. New models never get better just more costly and last less. I've been a licensed electrical contractor IBEW for 38 years I installed a few x-mers in my day!
Jae T.
Reviewed in the United States on September 27, 2023
Transformer cam well packaged with instructions. It was simple to install and worked as designed.
D33PZ3R0
Reviewed in the United States on February 3, 2021
I refuse to pay $500 for a stoner HVAC guy to replace my 3yr old furnace's transformer. I have a Trane horizontal unit that a repair man put a 10A fuse inline to this 240 > 24V step down unit. Needless to say that was enough to fry it again, now on my 4th transformer, i've stopped paying for terrible service and cut the power and re-did all of his shooty handy work. You would not believe the amount of un-crimped or bare wire connections that were all over the place. Anyways fixed my issue after I've almost paid for a brand new furnace in repair fees, long story short USE A 5A fuse in line to this transformer, if you don't and there's a poor connection/short you'll be buying these in bulk and the repair folks will be charging you as they did me $169 visit + $330 for the transformer each time it blows. Hope this helps you!
Justin Guyette
Reviewed in the United States on May 31, 2017
I had a blast installing this!
Robert Johnson
Reviewed in the United States on December 2, 2017
Great price! Transformer put out the voltage required.
The Crotchety Codger
Reviewed in the United States on December 3, 2016
Good value.
Blake Saucier-Curtis
Reviewed in the United States on December 2, 2016
Worked similar mounting to the original from my snap on welder.
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