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Boosting an Unvented System (Megaflow)
A single Shower Power Booster SP2B will provide a single boost which is all most homes will need to solve a pressure problem in a home. Typical homes will have a shower mixer which mixes 2/3 of hot water with 1/3 cold water to achieve the right temperature for a hot shower.

Our range of Shower Power Boosters are the only pumps recommended for boosting an unvented system whether thats a Mega flow, RM Cylinder, or any other type of unvented cylinder.

Our Shower Power Boosters are designed for DIY and Experienced plumbers alike so if you have a pressure problem this product is for you.

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Which pump you fit will depend on the problem you want to solve so please refer to our installation guide by clicking on this link:-

Boosting ‘Megaflo’ and other unvented systems