This video is all about the bypass valve on your heating system. They can be found on S plan, Y plan and C plan heating systems but also on Combi systems. They are very important when it comes to having a happy heating system, with proper flow around all the radiators and hot water coil without too much stress on the pump.

We cover where they are in relation to the system, how they work and how to set one up. For any more help, please comment below and we'll try to help you out!

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