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So far I beleive its hooked up correctly, its operating when we call for heat...Yes, the red is going to R, and White is going to White.

What is the Green and yellow for?

This is not DIY but a issue I am having with a customer...Any help would be appricated!

Before converting for oil to gas heat, I used to run 2 line voltage thermostats. While converting over, we upgraded to run 24 volt thermostats but never changed out the line voltage stats.

I...

Compressor was running for some time before he tried to add it. Is there a valve inside the air handler that allows the freon to go in?

After moving into new home, I had my central a/c R-22 checked out because who knows when it was last serviced. The Unit is a Rheem and looks to be about 8 years old.

I called for service...

the noise is coming from inside the tank...not sure what else to do:confused:

Well, the plumber that installed it does not know what it is.

The supplier who he go it from says its normal. I called Weil Mclain but they are impossible to get a rep on the phone who will call...

Here is a pic...

http://img.photobucket.com/albums/v191/Ny98m3/100_1692.jpg

Just had a new Weil Mclain Ultra 155 gas boiler installed as well as a Weil Mclain 60 Indirect hot water tank. When ever the water in the house or spinklers are being used, there is a rattle inside...