The solar thermal system STRATOS® DR WITH
BOLLY® 1 XL POLYWARM®, for DHW production,
it’s composed of the compact solar thermal
system STRATOS® DR and the BOLLY® 1 XL
POLYWARM® calorifier with fixed heat exchanger.

CHARACTERISTICS OF THE STRATOS® DR
Aluminum profile, anodizing treatment included.
Tempered glass according to EN 12150, tested
against impact according to EN 12976. Bottoms
and walls with high insulation power (λ 0,023
W/mk), thickness 30 mm.

CALORIFIER
Model BOLLY® 1 XL POLYWARM® with fixed heat
exchanger.
Tank in carbon steel.
Internal Polywarm coating, suitable for drinking
water according to 98/83/CE and subsequent
amendments and DHW certifications ACS-SSICADVGW-
W270-UBA-WRAS.
Connections for integration of electrical heater.
Rigid insulation of polyurethane foam with high
thermal insulation. External PVC cover.
Tested in accordance with European standard EN
12897:2006.

WARRANTY
5 years - See general sales and warranty conditions