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Can I use plastic pipework on oil fired sealed central heating systems?

For Greenstar condensing oil boilers

Plastic pipework is allowed to be used on boilers up to 32kW, provided there is at least 1000mm copper pipe connection to the boiler before any plastic.

This applies to the primary side of the system only, not the domestic hot water side.

Plastic pipework may also be used on under floor heating systems in conjunction with a blending valve.

Standard efficiency boilers

Standard efficiency boilers cannot use plastic pipe on their systems as they run at a higher operating temperature.

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