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    waynef's Avatar
    waynef Posts: 2, Reputation: 1
    New Member
    		  
    #1

    May 5, 2010, 01:04 AM
    Hot water flow to shower gradually reduced to trickle
    Hello, I hope somebody can help with a problem that has been driving me crazy!

    We have a regular Grohe shower in our bathroom. Normally, it takes a while for the hot water to start flowing out of it - perhaps about a minute of gradual trickling, then it kicks into action.

    However, recently it has been taking longer and longer to "kick in" and now we just can't get any hot water flow out of it at all, it's just a weak spitting trickle at best.

    There is plenty of hot water coming out of both the hot water tap in the bath, and in the sink, however, so there's no problem with the hot water supply.

    Can anyone help? I am hoping that the gradual degradation of the shower would indicate something being blocked up... any ideas?

    Picture of shower below:

    Many thanks!
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
    Home Improvement & Construction Expert
    		  
    #2

    May 5, 2010, 04:16 AM

    Can't see your picture. Most likely a defective pressure balancing valve.

    Go to this site to find model of your valve.
    Grohe Product Catalog
    Grohe has a limited lifetime warranty. Go to this site and contact Grohe about replacement part. I find their site difficult to navigate.
    GROHE - Warranty - SUPPORT & RESOURCES
    waynef's Avatar
    waynef Posts: 2, Reputation: 1
    New Member
    		  
    #3

    May 5, 2010, 05:00 AM
    Cheers, very helpful - will do.
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
    		  
    #4

    May 5, 2010, 06:18 AM

    A good place to start would be the mixng valve. Is it a cartridge? Could be clogged at the hot inlet and needs to be removed and cleaned.
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