I have always had expansion noise from my baseboard radiation. I remove the old rubber riser bushings, and removed all air from system. That helped, but installing expansion connectors has almost completely eliminated the annoying expansion noise. If you buy, don't forget to get a slip coupling for ease of connection.
lacro
Finger Lakes
6 years ago
Verified Buyer
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Removed the kinks from my baseboard
This item removes the banging noise from baseboard heating. works well