I am trying to find a good source for a 24v transformer. I am working on a project that will use a digital home thermostat to control a couple of 24v relays. I've found all of the parts but a suitable, cheap, 24v thransformer. I thought this would be the easiest part to find but it is turning...

I read https://www.askmehelpdesk.com/heating-air-conditioning/c-keeps-blowing-fuse-95884.html which was very informative. My issue is with a Carrier Weathermaster 8000 furnace and York AC. The heat works fine, the fan only works fine, I turn on the AC and the LED blinks code 34. I replace the...

Honeywell keypad without power, replaced transformer, control board is getting 120v but no 24v output, no fuse on the board (Rheem AC/Heat Unit)... any ideas

I've quickly blown two 110 to 24v 40va transformers. This transformer powers the electronic dampers from my furnace. I have 2 zones, 2 thermostats. I've also had problems blowing the 3amp fuse in my furnace itself when activating my zone 2 thermostat. All three of my damper motors test out OK,...

My 24v transformer is bad on my gas pack heat and ac unit. I replace the transformer 2 months ago... I replaced it again yesterday. This time it went bad in 4-hours. What is shorted to blow the transformer? Also, DC is used to pull the a/c and fan relays, right? Where is the 24v ac...