- Jan 20, 2013
- 69
The importer of the used Tarm Excel 2000 I'm installing recommends placing the expansion tank on the boiler return line in between position 3 of the Termovar tempering valve and a circulating pump as in this diagram:
Can anyone think of a reason why I can't just hang the expansion tank from the air eliminator in the usual way?
![Expansion Tank position Expansion Tank position](https://www.hearth.com/talk/data/attachments/144/144755-cc61caeb5a01aff9c906eefc16d50be8.jpg)
Can anyone think of a reason why I can't just hang the expansion tank from the air eliminator in the usual way?