See all products of Accessories and spare parts for pump stations for solar thermal systems UPM3 15-75 pump for 278HE and 279HE series, with cable. Spare flow meters for 278 and 279 series circulation units. Safety relief valve, 6 bar. Pump PML Solar 25-145 for unit 255266. Accessories for regulator code 161010. Spare parts for circulation units for 255/256 series. 1" 5–40 flow meter for unit code 255266HE. System filling pump for pump stations 279, 278 and 255 series. Expansion vessel connection kit. Ball shut-off valve for expansion vessels for solar thermal systems, with drain cock. Accessory for circulation units in the 266, 267, 268, 269, 278 and 279 series.