Leak Detection - Residential and Commercial Never allow a plumber into your property to locate and repair a leak if they do not have their own electronic leak detection equipment. We at Wilmac Plumbing own and operate our leak detection equipment. Our trained staff have also been locating leaks for other plumbing companies without their own equipment for many years. We also carry out leak detection for insurance companies and real estate companies. It is very difficult to locate leaks that develop below ground, in walls or below concrete slabs without the proper equipment. Call Wilmac Plumbing to locate and repair your leak with minimum of disturbance.