Welcome! Here are the website rules, as well as some tips for using this forum.
Need to contact us? Visit https://heatinghelp.com/contact-us/.
Click here to Find a Contractor in your area.
If our community has helped you, please consider making a contribution to support this website. Thanks!

Cleaning a heat exchanger

bschmeer
bschmeer Member Posts: 1
in Radiant Heating

Hi all!

Thanks so much in advance for the help. My wife and I recently moved into a house with hydronic radiant heat via an old 1991 Lochinvar Efficiency Plus boiler.

The unit is short cycling about every two minutes. I believe the problem is either the taco circulation pump in the middle and/or the heat exchanger. I know how to change the pump...but not idea how to go about cleaning this sort of heat exchanger. Any advice or thoughts?

My understanding is this system has a handful of problems (most notably an old iron cast boiler with two zones that are not oxygen separated). I plan to tackle these issues over time (we don't use those zones today), but the short cycling seems like a more urgent issue.

Thanks so much!

20241113_223127.jpg
20241113_223320.jpg
20241113_223330.jpg

Categories