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it has been almost a year since my original post. i just wanted to let everyone know that NO my boiler did not blow up and burn my house down lol. It was a great success thanks to the help i got from you guys. House stays nice and toasty. no gas leaks, and everything works great. After that...

ohh yeah can i use a check valve as a backflow preventer right after the system filler cut off valve? or do i need a backflow preventer?

i plan on having it inspected and have the inspector (my best friends boss) help me fire it up. I am off to get some check valves,1 1/4" pipe to correct some pipe sizing errors that i made, and an inline air seperator. after i get it all corrected i will redo my diagram with the new goodies, and...

No the gas line from the meter to the point were it splits is about 40-50 feet of 3/4" pipe all the way, but i was under the impression that since the water heater and the boiler are the only things in the house that use gas that it should be fine. i also had 3 contractor come down to give me...

the 3/4" supply line to were it splits is about 4' in total length. the boiler is a new yorker cgc-50 its not an ultra efficient unit (80.3% is the rating), but the old unit was a 233k plus btu oil burning monster that didnt work when i purchased the house a month ago. The tanks is getting...

the boilers input btu is 130000 the water heater input btu is 32000 those are the only 2 appliances that use gas in my home the pump closest to the boiler has a 1 1/4" feed and i reduced the output side to 3/4" to feed 2 runs (i think thats what you call it) being 1" and 3/4" in diameter...

how difficult would it be for you to install shut off valves right before each baseboard? will that work? I mean if you simply stop the flow through each heater with a shut off valve then you will be able to shutoff each room as needed? or is this far fetched. I have a very simuar set up...

i need info on were i should install the expansion tank? should i change that feed line from the top of the boiler from 3/4" to 1 1/4" all the way up to the split point? where do i install the autofill valve? sorry if these questions seem stupid but this is my first install and i will...