Question about Franke WD751B GPS Receiver

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Franke Little Butler instant hot water dispenser

Unit is 2 years old. Never any trouble. Tonight water (not hot) is leaking from the bottom of the housing unit. Unit dispenses hot water from tap ok.

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  • leonardjan Aug 06, 2008

    Same thing - just pulled it apart - the tube inside had disconnected and water was going into bottom of unit as well as into the water hose. Still trying to figure out how to replace broken part and replace.

  • mariogo Dec 08, 2008

    rubber tube has failed twice and I cannot find a replacement. Suggestions?

  • laneuro Jan 07, 2009

    We have two heaters, and they all have the same problem. Why do they design the unit this way. Don't they know that the Norprene Tube will crack with high temperature? I wish someone comes up a replacement. this tube should be copper, not Norprene.

  • ccmagichands Jan 22, 2009

    I have the same problem. The hot water hose from the heater to the valve blew out. The hot/cold filtered water valve was my second. The original had copper lines but the valves went bad. As soon as I got the replacement and saw the rubber (flimsy) hose I knew it would not last. At the time I could not find anyone else that made a brass valve that did hot and cold and worked with the little butler hot water tank. I made a fitting that could screw onto the bottom threaded fitting where the hose goes into was going to use copper pipe instead but you would have to be able to drill and tap a 3/8 pipe fitting and it would have to be drilled to tap a 12 mm x 1.5 thread which is not a pipe thread. I was going to use a lot of teflon tape which should work but found that the ridiculous rubber hose goes up inside the spigot and it will not pull out. I attempted to take the spigot apart but have not succeeded yet. Can not figure how to get the end of the spigot off without damaging the brass. 

  • DeborahSue Apr 30, 2009

    There is a valve at the bottom of the hot water heating unit - it is leaking and causes air to build in the unit so that when you turn the valve for hot water you get air until the unit primes and then you will get hot. The bottom of my cabinet is soaked! How can you fix this?

  • Kevin Aug 11, 2013

    Good advice. Mine leaked, but simply reattaching the rubber hot water out tubing to the top again using the ratcheting hose clamp did the trick. Thanks!


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I have the same unit and had a similar problem. If yours is the same as mine, look at the top of the water heater unit. The center spigot is for the for the how water outflow which is connected to surgical type rubber tubing. The hot water eventually dried out the tubing and it cracks, causing it to leak. I had to cut out the decayed portion and replace it. Franke sent me a replacement kit at no charge but I did replace the fitting on top of the unit. The fitting is a standard nipple that any HW store should carry. Mine is a female-to-female reducer that then mates to a nylon barbed fitting which the tubing goes into. Importantly the Franke supplied kit has nylon ratcheting hose clamps that keep the tubing in place as well as a barbed union with hose clamps to join to the exisiting hose feed (to the faucet).

Hope this helps! I'm now struggling with the hot water tap leaking after using it. It seems to stop after a while but it drips for some time. If you can help me there that would be great!

Posted on Nov 22, 2008

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Hi, I found that the water keeps dripping out after use if the temperature is turned up to the maximum. Maybe it's boing too high or creating steam. If I turn the temp down a little, no more dripping.

Posted on May 22, 2009

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