Hello I am wanting to install a new transformer for my alarm system. The old one was taken out by a friend and was incorrectly installed according to him (an electrician). It is a 16.5 V transformer which sat at the bottom of the panel. It has 2 black wires coming from it. There is a place...

Carrier furnace gas valve voltage is only 11 will not fire code 34 then lock-out code 14 is the transfprmer bad @ 11 volts or the circuit board putting the voltage somewhere else? Thanks!

HELP!! I've pulling me hair out!! Carrier 40aq Air Handler. Original prob was air handler lost 24 volt output. I replaced transformer with a slightly undersized one... 40va instead of the spec'd 60va... and it ran for about 10 minutes.. then blew. Now I put in a new 75va transformer... and it ran...

First I would like to say, Hi to every one on this site. Seems like I can get all the help I need. 2nd my Question. I have a carrier furnace, Model no 58MSA trying to locate the transformer but I don't see it. If anyone knows please help me. Thanks.

Last week my air handler quit working, I found that the 5AMP fuse for the secondary 24volt pwr supply was blown, replace and all worked fine for a week. Now I find it blown again, but each time I relace it it blows, The voltage reading I get at the fuse is 29.5 V is that to high? The transformer...