... products.1)light-wiehgt, easy installation and short delivery.2)Attractive design, standard frame suitable for pitched roof or ... 1 the integrated system consisting of intelligent controller circulating pump flow meter, relief value,expansion vessel, relief value, circulating ... 100.Max presure:1mpa,Max. flow rate:2.5t/hComponents:safe value, wilo pump ,manometer, flow meter , controller.3 Anode magnesium ...