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Well, I went back this morning and flipped it on. Nothing! So I call the I called the allmighty tech guy in PA and as soon as he mentioned setting the parameters I had a felling right away that was...

Mark, the outdoor sending unit was set up, which changes the factory temps. Even on inital fire-up it never reached the target temp (140)before shutting off. I do understand how the boiler works (...

I tried it without temp sender and still nothing. I really think it might be somthing in the board. It just don't make much sense that no fault shows or no error code is given and it works like a...

yes, nothwest facing. Outdoor temp was 44 and target temp was 140. It never got past 97-100 before the burner would kick down.

I added the strainer. Everything was up and running. At first I noticed the firing would drop around 100 then go to 70 and up to a hundred, but never hit the target temp of 140. I thought it was...

Yes, the piping is insulated. (with good ol' asbestos which has since been wraped). Thanks for your help.

I am getting ready to install a Weil-Mclain Ultra in my 4 family apartment buliding. It stesses how important it is to flush any sediment out of the lines. Here is where my problem comes in. The...