Wilo Cal Pro heating vessel 500ltr 6bar

Product code: 180185

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Product Description

The purpose of these vessels is to accommodate the increased liquid volume which occurs during system heating in an unvented circuit. A pressurised membrane allows ingress/egress of the liquid only during periods of heating/cooling.

Product Features

  • Wilo-pro range of expansion vessels are specifically designed for domestic and commercial unvented central heating systems