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Gas Radiator - Pump Not Working - Relay Buzzing
Hi guys, first off, great forum. I have been browsing and have fixed some of my home problems with advice from here several times.
I'm not very knowledgeable about Boiler or AC systems in general, but I'm decently handy with tools and can generally fix/figure things out, within reason.
So my problem, I'm in Maryland. It's starting to get chilly, and my house is pretty old. So naturally, turned on my heat for the first time since last season and surprise surprise... no heat...
So, here's what's going on. There is a loud buzzing noise from the gray/black box next to the pump. Looking around online I'm assuming this is the aquastat? It never buzzed that loud before. When I give it a bump, the buzzing stops, the burners turn on, heating the water in the system. But. The circulation pump never cuts on, so naturally no hot water is being pushed around the system.
Is that the culprit? Should I order a replacement? Is there some trouble shooting I can do to make sure that's the issue?
I took some pics, working on a way to upload them to share, and will update this post shortly.
Thank you in advance for any advice. I'm not looking forward to having to call a professional as they are not cheap in my area, and I don't really have the funds. So that will be my last resort I can't repair it myself.