Toddy asked ... Pdw5048tms saw?    |    Karen asked ... Royal 480nt cash register?    |    andrew smith asked ... 2009 fiesta 1388 cc titainum?    |    Eric asked ... Strimmer fuel line?    |    Frank asked ... Working fine. No cold air?    |    Click here to ask your question

how do i adjust manifold on my underfloor heating?

My underfloor heating is only partially working. I remember the installer say something about a little dimple on the top of the manifold .This has appeared on two of the manifolds .Can you give advice please on how to correct problem . Thanks
DermotMcMullan, March 2013