DISCLAIMER: I've done a TON of remodeling work in our 25 year old home and I've really done tons of homework on being a responsible home-owner and DIYer (thank the Lord for YouTube and DIY books!), but this issue has me stumped. Before having my hubby dig up our yard (he's a Federal employee and...

You can hear the noise in this video http://www.youtube.com/watch?v=NiFe92DUY7Q I've just bought the house so this is the first time i turn on the heat. Before that, I changed the thermostat to a HoneyWell Digital one. There was only 1 Red wire but there was no metal jumper connecting R and RC...