Glad you got it working, A lot of us with All brands have the problem sometimes ,it is not a big deal really to fix ,Lots of lube on the pull handle itself,like was said before dump some veggie oil down the Toilet every once in a while Like WaltBennett said and if you have to just drop the underbelly cover and spray the knife valve itself I have done it a few times but since it is still on Warranty like you said let the dealer mess with it
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