whoswho
New Member
I have a tankless water heater with an expansion tank. I noticed the expansion tank began leaking (rusty hole on side of expansion tank) so I ordered a replacement tank. I chose the exact make, model and size tank as the old one.
Shortly after the installation, the pipe joints (cold water inlet) leading to the tankless water heater are leaking. I did not touch these joints at all during the installation and the joints were not leaking before.
What could be causing this and how can I fix it?
Also, I did some research online which says tankless water heaters do not need expansion tanks unless there’s a tank storing water (which I don’t have). So I have no idea why mine was installed with one. Would really appreciate any help here. Thanks!
Shortly after the installation, the pipe joints (cold water inlet) leading to the tankless water heater are leaking. I did not touch these joints at all during the installation and the joints were not leaking before.
What could be causing this and how can I fix it?
Also, I did some research online which says tankless water heaters do not need expansion tanks unless there’s a tank storing water (which I don’t have). So I have no idea why mine was installed with one. Would really appreciate any help here. Thanks!