The (HGT-HGTV) Series bladder expansion tanks are available in sizes from 2 to 80 gallons in either in-line or stand models.
The two-shell welded construction allows the tank to withstand high pressure and therefore adds safety to your installation. The EPDM bladder separates air from water and prevents waterlogging while saving space and energy.
These devices are indicated for use in hot water, solar and cooling systems, in addition to being compatible with glycol.
HGT (Fixed bladder)
HGTV (Replaceable bladder - with base ring)
Service kit for heating system
Calefactio’s wall support for hydronic heating system allows for a safe, practical and easily accessible installation. In addition to secure your installation in the event of a tank failure, the service center gives a...See this product
It’s unique and exclusive to Calefactio! The only device that combines a replaceable bladder expansion tank, an air separator and a dirt and sludge separator. **Patent pending** Benefits Money Saving Time...See this product