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DIY Home Repair Forum: HVAC 09-16-2012, 11:32 PM
Replies: 11
Views: 2,233
Posted By Rob-M
If you have a 110v at the furnace then you have...

If you have a 110v at the furnace then you have 110v into transformer, which is called the primary, test the secondary side of transformer (24v) by followingthe leads from transformer going to the...
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