Tip & How-To about Waterpik Water Pick Flosser Ultra Water Flosser WP-100W

How to fix a leaky Waterpik Flosser Reservoir

The black stopper on the Ultra Flosser is famous for failing! It does so because the rubber gets rigid. You don't have to buy a new reservoir! Here are three options:1. Waterpik recommends removing, warming, massaging the stopper. That works for a while. Two other steps actually fixed ours: 2. Trim a little off the ends of the four tabs at the bottom of the stopper. When they get rigid, they hit the sides of the reservoir and prevent the stopper from sliding down. 3. If the vertical fins sticking up to guide the stopper in the channel are rigid and hitting the sides, trim them slightly. We did 2 and 3 and it now works fine.

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According to this suggestion, replace the resistor (47 Ohms).

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i was cleaning the water tank and i accidently knocked out the spring, tiny black plastic stopper and the white rubber washer, please could you help me put it all back together again, hopefully this can be done or please tell me where i can buy a replacement water tank. thanks pauline sheppard sheppard156@ntlworld.com


I've got the same problem and I managed to solve it.
So you have to put the plastic stopper to the buttom of the water tank in way that the wider end is down. You must hang the spring on the plastic stoppers narrow end so it would be placed between the water tanks bottom and the plastic stopper. Then you have to place the rubber washer from inside the water tank on the plastic stoppers narrow end. So would look like the following: plastic stopper -> spring -> water tank -> rubber washer

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Thermos Vacuum Bottle Stopper No. 781

You can get replacement stoppers for the 781 by using the 750

This is currently available on Ebay and he ships worldwide

Here http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=180592070973&ssPageName=STRK:MEWNX:IT

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Gas tube came out of gas tank

If the rubber stopper is still plugged into the tank pry it out go to a small engine shop and buy new gas line.Thread the new line into rubber stopper to poper length,plug filter (new)on end that is going in tank then pop he rubber stopper back into the tank body.Have done hundreds and it isn't hard,you may need sone WD 40 on stopper to thread line and popping stopper back in .Good Luck

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