... water height;easy installation, maintenance-free, safe, reliable, energy-saving, efficient;Photovoltaic water pump, Permanent magnet brushless motor, Maximum ... -20°C-50°CService life over 10 yearsWARRANTY TERMFrom the date of purchase, we provide a one year repair ... all the documents are available3) After the warranty period, service repairs will be charged for perfect as always. XINYA 4 inch 36V ...