Loud Humming from pipes in basement

Ed_26

If it starts when the burner comes on, most likely the fuel lines (tank hum). If so, start by isolating them from joists/studs etc. Have you had some service done lately?
If it starts when circ. pump comes on, check pump & piping.

Jeannette

What could be causing this sound?

Every time the heat starts to come up, there is a loud humming noise and vibrations in the floor, there is no banging in the pipes and I can't find the exact location of the sound. What could it be? It's a oil steam boiler in a 3 story building. Please Help!

Jeannette

Thank you for your quick reply, the boiler man who looked at it, said that was normal. I know that loud hum and vibration is not. So thank you again, I'll have someone else come and fix it.

Tom M.

If it is oil line hum,

he may not be hearing it in the basement. This is a strange sound that can sometimes not be heard unless you are in a specific room upstairs. If you have an overhead oil line, there is a good chance that this is your problem.