The Amtrol 30 EXTROL Expansion Tank is designed to be installed in residential and commercial applications and it factory pre-charged to 12 PSIG. Though this expansion tank can be mounted horizontally this can cause a decrease in the products life.

Features:

For use with closed hydronic heating and cooling systems

Factory pre-charged to 12 psig
Pre-charge should be adjusted to equal minimum operating pressure at tank location
Accepts expanded water as system temperature rises to reduce pressure build-up.
System connection sets the point of no pressure change
Water-tight reservoir for expanded water
Sealed air cushion - factory pre-charged and 100% tested
Deep-drawn steel tank
Air stem for pre-charge adjustment