Cal-Pro Floor-Standing Heating Expansion Vessel

SKUFeaturesVolume (Litres)Colour/Finish
Z1-302035CPFloor-Standing35Red
Z1-302050CPFloor-Standing50Red
Z1-302080Floor-Standing80Red
Z1-302105Floor-Standing105Red
Z1-302150Floor-Standing150Red
Z1-302200Floor-Standing200Red
Z1-302250Floor-Standing250Red
Z1-302300Floor-Standing300Red
Z1-302400Floor-Standing400Red
Z1-302500Floor-Standing500Red
Z1-302600Floor-Standing600Red
Z1-302700Floor-Standing700Red
Z1-302800Floor-Standing800Red
Z1-302900Floor-Standing900Red
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Inta Zilmet Cal-Pro Expansion Vessels

Inta Zilmet Cal-Pro Expansion Vessels

In a closed heating system, water cannot be compressed and any increase in water volume due to the increase of its temperature is absorbed by the expansion vessel. When water is cold, the precharge air pressure in the vessel presses the diaphragm against the tank. As temperature increases, the expanded water volume pushes against the diaphragm and water enters the vessel providing additional space to
the system. When the water temperature decreases, the air cushion forces water back into the system. This permits the system to maintain pressure and ultimately helps to reduce energy consumption.

    • Suitable for all types of heating system
    • Carbon steel construction
    • SBR synthetic rubber diaphragm
    • Hard wearing epoxy polyester powder coated finish
    • 100% factory tested
    • Fully CPR compliant
    • Sizing calculator available*
    • Maximum working temperature 90°C

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