Closed-Loop Expansion Tank Sizing
Pick a diaphragm expansion tank for a hydronic or hot-water loop.
Result
ΔV expansion
2.4 gal
Min acceptance
4 gal
Recommended tank
6 gal
About this tool
Enter system volume, fill temp, max operating temp, and pressure to get minimum acceptance volume and tank model. Targets r/HVAC and r/Plumbing 'which Amtrol tank do I need' questions.
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