Excellent service! fitters arrived on time; job completed without any problem whatsoever. Great non toxic drain cleaner this stuff works great, better than other enzyme-based products i have tried! Biasi uk ltd, commercial road, leamore enterprise park, bloxwich, walsall, ws nq. I don't understand much on how the plumbing appliances work kurt explained the appliances to me! i highly recommend him for your plumbing and heating.