... free combination, realize DuoZhong processing technology, can store 99 fixed program for users to call at any time.4 use electric heating ... up, 2 car electric heat pipe power for: 48 kw, 1 car heating tube power for: 24 kw, 50 or 100 electric ... heat pipe power for: 4.5 kw, general and applicable no boiler user.5 ...