1. 

   Chris Brown New Member

   I have a Grohe concealed cistern which has started belching, or whooping, for the use of descriptive words at the end of filling cycle.
   Its irritating and I need to resolve it
   Any advice greatly appreciated
   Chris
   

    

   Chris Brown, Nov 24, 2015

   #1
2. 

   DNR Plumbing Active Member

   Sounds like a replacement fill valve could be in order. The sound it slight water hammer by the sound of it. Try reduce your water pressure first if you can it can help
   Replacement fill valves arnt expensive and are reasonably easy to fit, post a pic and I'm sure we can identify it and point you in the direction of a suitable replacement if needed

    

   DNR Plumbing, Nov 24, 2015

   #2

   kiaora likes this.

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