Internal high efficient copper tube in shell heat exchanger. Only need to connect with regular pressure tank. Easy installation.
Built in water flow swtich detect. Use SAGINOMIYO Electronic expansion valve to adjust gas flow n side-ranage accurately.
Two timer setting function on digital LCD wire setting controller.
Internal clock and setting memory record, auto-restart after power comsumption.
Adjustable 1-5°C temperature differential return from setted water temp.
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