The CAL-PRO expansion vessels absorb the water volume variations in closed heating systems maintaining constant pressure, helping to reduce energy consumption Painted externally with long-lasting epoxy polyester Pre charged and 100% factory tested Compatible with Zilmet sealed system kit (ZKITA075) and wall mounting bracket for quick installation Brand:Zilmet Manufacturer Stock Code:1300000800 Height:295 mm Diameter:220 mm Weight:2.09 kg Manufacturer Guarantee:5 years Sub-Category:Expansion Vessels Colour:Red Brand:Zilmet Maximum Pressure:5 Pack Size:1 Capacity:8 L Category:Cylinders Type:Heating