PolyPlumb is a tried and tested, grey plumbing system. Robust and reliable, PolyPlumb has stood the test of time. PolyPlumb fittings feature a one step jointing process and a high performance stainless steel grab ring within the fitting, ensuring superb joint integrity. PolyPlumb is suitable for use in most plumbing and heating installations including hot and cold water and underfloor heating applications. A wide range of fittings are available for next day delivery.