Mend Grohe 42181 Toilets

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Grohe 42181 toilet filler valve leaking?

Thanks for your responce. This is a real mind bender. The valve has a Polystyrene float which is screwed onto the valve body. It is adjusted so the water level is well below the overflow. On the top of the unit are two seals. One a diaphram and the other a small black seal that sits inside the valve lever. The repair kit came with both the diaphram seal and the small lever seal. I have replaced both. However it still leaks from the top valve area. Everything is tight. I suspect I may have to buy a new complete filler valve because I just can't stop the constant drip.

Geoff Smith
February 2012

Grohe Grohe 42181 D.I.Y, Toilets Grohe Toilet Leaking

I have the same problem with 37095, replaced complete unit, and still leaks?? Can any one help.

dmmsl6
October 2013

if you can replace all grohedal stuff. it is rubbish. they refuse to answer technical queries. shouldnever have been allowed into the country. fit a dudley if you can

plumbersw15
October 2012

I have a similar problem with a Grohe inlet valve type 37 095. The cistern is a side fill and the inlet valve is new but continues to drip slowly after toilet has been flushed. I know some inlet valves require a servo valve in series with the water inlet to reduce mains pressure. Does this apply to the above grohe inlet valve. If so the servo valve didn't come with the product and noone has given me a straight answer.

robert
June 2012