This Potterton expansion vessel is for use in the Powermax Boiler range. A chamber designed to protect water heating systems from excess pressure, the expansion vessel is filled with air which acts as a cushion against system pressure surges.
Please always refer to the manufacturer's instructions for the correct application. All parts should be fitted by a qualified gas-safe certificate plumber.
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This part supersedes: 5106225
Suitable for the following appliances:
• Powermax 24 HE Boiler
• Powermax He 115/150/85