Modern condensing boilers are highly efficient — but that efficiency comes with a by-product: acidic condensate water. In most domestic and commercial installations, this drains away by gravity to a nearby waste pipe. But when the boiler sits in a utility room, plant room, or location where gravity drainage isn’t feasible, a condensate pump is the solution. This guide covers when you need one, how to specify the right pump, and which models work best for UK heating and plumbing installations.
A practical guide to condensate pipe sizing, materials, fall gradients, frost protection for external runs, condensate pump selection and installation, and commissioning checks for UK plumbers and heating engineers working with condensing boilers.
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