I am considering a Ultra 230 boiler and in looking over the documentation I have three questions: 1. What the heck is a "condensing" boiler? 2. Will this boiler system work with cast iron radiators? 3. The piping diagram shows a 12" long connection atop the boiler between the input and...

My furnace burner don't want to start by imself If I push the reset buton the burner start for 45 second That it I need to keep pushing the button for burner to start What is my propleme, why do the burner don't want to start By imself?

Hello, I live on the 3rd floor of an apartment and I have air in the pipes because my furnace was shut off for a period and I think my heater turned on and pulled what hot water was left. I have a pressure release valve that I have been letting hot water trickle from and I do hear air...

The green power light goes on then just blows and nothing else occasionally it wiil go green then the purge light will come on steady then stop and sometimes it goes all the way the ighnighter lights and the flame comes on but goes out in like 10 seconds... please help

I have a boiler that some times just doesn't want to kick on, With out just a little help (a tap from the back of a screw driver will do) It looks like some kind of switch or control or something, it has what Look like points that seem to make and break contact as I tap on this Thing, then...