... thickness11.Magnesium rod keeps the water quality(soft water).12. Accessories: P/T valve, Mg rod, Sensor, Controller, Electric element, Pipeline, Fittings.etc ... time.5 Specially-made We can create new model solar water heater suited to your market accord to your request.Commercial term ... :30% T/T in advance, balance against the copy of B/L;9 Manufacture capacity :1500sets/week10 Warranty :5 years for ...