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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.

Documents &

Instruction Manual Literature

Features HTS

SOLAR TANKS (Replaceable bladder)

Item# gal L Connection MNPT
HTS-30 6.6 25 1/2"


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