What Is A CCTV Drain Survey And How Does It Work?

If you have noticed that a drain in your home has become clogged, locating the specific blockage is an important first step in clearing it out. However, many clogs occur deep in the pipes and cannot be readily located through a simple visual inspection. The best way to proceed is by hiring a professional to carry out a CCTV drain survey. How do these surveys work and what benefits do they offer? Essentially, a small camera is mounted on the end of a long cable that is wound down the drain and into the pipe. This camera transmits a signal back up the cable to a monitor. This lets the plumber see exactly what is in the pipe so that he can locate the blockage as quickly as possible. Primary Advantage One of the advantages of this type of survey is that it is minimally intrusive. All the plumber has to do is reel the cable down your drain. He does not have to move anything or rip up any floors or walls. This means that a survey can be carried out without significantly disrupting your home
http://www.jandpplumbing.co.uk/what-is-a-cctv-drain-survey-and-how-does-it-work/

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