I have a small problem with my fluidmaster 400a. Once the toilet is flushed, the water does not refill the toilet via the refill tube.
After flushing, small amounts of water spray from the top. It takes a very long time for the tank to refill.
I have tried flushing whatever sand or sediment may be there by lifting the arm, doing a 1/8 counter-clockwise turn and turning the water source on and off.
After this process, the refill tube works, filling the tank the expected way, but only once.
Once the tank is full and the water shuts off, if the toilet is flushed again, the problem re-appears where the refill tube supplies no water to the tank. Water trickles out of the top.
Is this a problem that can be fixed? Or does the 400A Fluidmaster need to be replaced?
Thanks in advance for any suggestions.
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