Calefactio’s brand-new expansion tank series for solar systems can withstand very high constant temperatures of up to 315°F / 157°C. These tanks have a unique design and are only available at HG Spec. Each tank has an EPDM bladder and a buffer zone.
The tanks are compatible with glycol solutions (up to 50%) and will absorb expanded liquid heated by the system, thus ensuring its safety.
SOLAR TANKS (Replaceable bladder)