Boiler with internal copper coil or stainless steel coil is for solar water heater or heat pump water heater indirectly heating domestic hot water.
Standard Capacity: 200L, 300L,500L
Material of insulating layer: polyurethane
Material of inner lining:stainless steel
3kw and 6kw electric heater with control box is option
Double or single Internal copper coil heat exchanger is option (one circuit for heat pump,the other circuit for solar)
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