February 2018

Expansion pipe

The expansion pipe or vent pipe is a pipe associated with a cold water storage cistern or a feed and expansion cistern. Its purpose is to accommodate the expansion of water when it is heated, and to allow any excess water to vent harmlessly into the cistern. It also serves as an escape route for any air …

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Condensate pipe

The condensate pipe is a pipe through which a condensing boiler discharges waste water from the condensing process into the sewer. As metal pipework cannot be used, it is often easily identifiable as the only plastic pipe connected to the boiler. Before it is discharged into the sewer via the condensate pipe, waste water – or …

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