I replaced an old float ball with a new Fluidmaster 400A kit in a Mansfield toilet (No. 160). This toilet does not have a flapper, but instead has a water-saver valve that rises up and down over a stem and valve washer.
When installing the Fluidmaster 400A, you're supposed to take the fill tube (thin black rubber tube) and insert it into the flat cap of the water-saver valve (I've done this successfully on 2 other toilets in my house). This time, however, when the toilet is flushed, the water bubbles out of the top of the cap as if the water is turned on too hard, instead of all of the water going down into the water-saver valve thing. It's as if the fill tube is just a little too small for the hole in the cap.
Other than turn the input faucet down at the wall restricting the water flow, is there something else I should do? (I'm worried the water will force the tube to shoot out of the cap). Should I try plummer's putty to try to force the tube into the water-saver more tightly?
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