27-Tube Solar water heater system-Freeze Proof. Large enough capacity for a typical 3 bedroom house in mid-latitudes.
- most popular integrated systems sold
- no corrosion since glass heat pipes
- no water in tubes, no leaking tubes
- lowest cost per liter hot water
· Stand alone system, no additional parts
· Economic system for typical house
· Assemble yourself in 3 hours
· Graded Al-N/Al selective coating, high energy absorption and low heat transfer losses
· highly evacuated with pressure ≤5×10-2 Pa in the space between outer and inner covers, so no heat loss
· All Glass Heat pipes transfer heat energy in one direction only
· High transparency with boron silicon glass, high resistance to cold water shock
27 tube solar water heater with sealed all glass heat pipes. 170 liter stainless steel inner tank, aluminum stand, air vent, water inlet and outlet fittings, tank cover, foot cushions, end caps.
Vacuum tubes can never freeze, since they contain no water. Heat pipes can never corrode, since they are made from glass.
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