Installed the new Sargon 35 yesterday, what the hell is going on?! Sounds like its about to take off to fu**in mars! The premix SIT fan vibrates like hell and makes a low frequency drone on slowing to low load. Talked to the local heatline guy today who said "its a noisyboiler".
Why is there no sound deadening material?
Why is there no sound deadening material?