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Overview
BOSS'' central heating expansion vessels are designed to absorb the increase in water volume in central heating systems during the heating cycle, protecting system components and pipe work, maintaining optimum system efficiency and reducing wear.
- Absorbs the increased volume of water in central heating systems during the heating cycle
- Suitable for all types of central heating system
- Carbon steel construction
- SBR synthetic rubber diaphragm according to DIN 4807-3
- Hard wearing epoxy polyester powder coated finish
- 100% factory tested
- Fully CPR compliant
Technical specification
System SuitabilitySuitable for all types of central heating systemPre Charge Bar Rating1.5 barMount TypeFloor MountedModelCAL-PRO 50Minimum Operating Temperature90 degMaximum Operating Pressure4 barHeight507 mmDiameter407 mmConnections3/4 inCapacity50 LRange DescriptionCAL-PROManufacturer Model No1300005012Brand NameZilmet
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