McAlpine Plastic Inlet Soakaway For Condensate Drainage 110mm X 300mm X 22mm - SOAK1GR. A leading supplier of plumbing fittings, McAlpine comes with a variety of high-quality and competitive products to suit all plumbing solutions. The extensive range of products includes traps, WC connectors, shower and floor gullies, air admittance valves, roof flashings and waste outlet fittings. This plastic inlet soakaway is used with limestone chippings for low-maintenance. Conforms to BS 6798:2009 Building regulations approved document H compliant Receives discharge from a condensing boiler 19 mm or 23 mm x 32 mm solvent weld fitting is provided to increase the size of discharge pipe before it passes through an external wall Designed for external use only For use with limestone chippings