High efficiency, fully SRCC certified vacuum tube solar water heater panel, 38 square feet. Use for home hot water, swimming pool water heating or commercial water heating applications. 20 evacuated tubes, 38 square foot area, 6 foot (1.8 meter) long glass tubes with copper heat pipes. Extruded Aluminum corrosion resistant frame. High pressure capable, complete freeze protection, excellent for drain back systems, easy assembly on roof. 20+ years lifetime.
Graded Al-N/Al selective coating, high energy absorption and low heat transfer losses
·highly evacuated with pressure ≤5×10-2 Pa in space between outer and inner covers, no heat loss
·High transparency with boron silicon glass, high resistance to cold water shock
·High 6 bar pressure capable
·Solar water panels can be joined in series
·Use for pools, thermo-syphon, drain back and active systems
·Use in pressure split systems