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Hey there guys, just got a strange noise coming from my cast iron dunkirk boiler from around 95'. only makes noise when i call for heat. cant pinpoint exactly where except from inside the boiler. I took a video and posted the link below and you can hear around the 20sec mark when i get close...

Hello all, so i am switching out my 3/4" copper supply and return lines, from my radiators in one room, to 1" copper. The 3/4" connection was originally reduced from 1" cast iron with a dielectric union. I have been told that, going from cast to copper, i didnt need a dielectric union. so my...

Hello all, I posted a question a couple weeks back about what piping method I should use for a specific zone that my boiler is feeding. Somebody had posted a picture of a 2 pipe reverse return. I was of the belief that I had a 2 pipe direct return. Can anyone confirm? The radiator at the top...

Hey guys, trying to test my radiator send and return pipe temps. Just wondering if you guys can send some links to some that you think are good. I tried using my electronic probe thermometer from the kitchen but it takes forever for the temp to climb.

Hello to all, Im Gary from Chicago, just looking for some help with my radiator issue. I have a hot water boiler with 3 zones and a pump for each zone and a Taco switching relay. 1 zone goes to my 1 story addition on the back of the house with a crawl space underneath. To make a long story...