Description: ◆Wilo circulating pump ◆Expansion vessel imported from Italy ◆T/P available working tempratuire: 0 to 99 clesius ◆Pressure guage ◆Controller which can show the tempreature difference between tank and solar collector, then control pu..See more

Closed-loop systems require an expansion tank. An expansion tank has a chamber in which air is locked inside a bladder or diaphragm. It screws into standard 1/2-inch or 3/4-inch threaded plumbing fittings. When pipes are filled with heat transfer flu..See more

Description: Material of inner tank: Imported food grade SUS304/2B stainless steel Material of outer tank: Stainless steel/zinc-plated sheet Capacity: 5, 7, 9, 10 and 11L Feeder tank is used to supply water to main tank of non-pressure or heat exchan..See more

Product DescriptionElectric Heater is an assistant heating device for solar water heating system. In cloudy days, electrical heater can be used to heat the cold water in tank. This device will make the system in operation around the year in all weath..See more