Model BC35-040S BC35-050S Rated heating capacity KW 18.5 23.2 BTU 66000 81911 COP 3.77 4.20  Heating power input KW 4.9 5.5 Power supply V/Ph/Hz 380/3/50-60 Max outlet water temp ° C 60 60 Applicable ambient temp ° C 一7~43 一7~43 Running current A 7.8×3 9.7×3 Noise d B(A) 58 58 Water connections Inch 1'' 1.25'' Gross weight KG 167 185 Container loading qty 20/40/40HQ 19/41/41 13/27/27 FAQ 1.If there is any problems of the heat pump in the future, how to fix it? We do have unique bar code number for each unit. In case heat pump has any problems, you can describe more details to us together with the bar code number. Then we can trace the record and our technician colleagues will discuss how to solve the problem and update to  you. 2. Heating capacity whether the bigger the better Host and tank must match, host too large will waste resources,the pressure is too large, the operation is blocked. too small ability is insufficient,heating slow. 3.Can it be used if it rains? The air to water heat pump only influence of the outdoor temperature and inlet water temperature,not affected by rain.This is the most obvious advantages compared with the solar energy heater. 4. What’s your after- sales policy? In 2 years period, we can offer free spare parts to replace damaged parts. Out of 2 years period, we also can offer parts with cost prices.