I have a price phister singled handle kitchen faucet, the standard sort
of thing, that has a hand sprayer on the side. If I remember correctly
there is a sort of grease that plumbers use for sticky parts. I think
this faucet needs it because after I use the hand sprayer, the main
faucet loses about 50% of it's flow for at least 10 min. And the sprayer
won't even get it's flow sometimes. So I think the valve is sticking. I
think the valve is on the back when I take the top of the handle off,
but the question is, is there a legit substitute lubricant for this like
mineral oil or should I buy the real stuff? If I have to buy it it's
going to last a loooong time!
It will last forever and a little tube isn't very expensive
($2-3). However, I don't think that is your problem or that
you can even get to this valve to lube it.
I don't know specifically about Price Phister, but I think
the valve is like a jiggle pin and it probably has cruded up
with hard water deposits. If you can get the spray head
off, you can pour some hardwater dissolver such as limeaway
or CLR down the tube. Empty the tube as much as possible,
hold the tube high so whatever you pour in will go right to
the body of the faucet, let it soak for a little bit, and
then replace the spray head and repeatedly turn the spray on
and off rapidly. And if the spray head is cruded up, soak
it in some CLR
Thanks everyone. If I can find a little tin of the plumbers lube I'll
try that first (I think the valve is at the rear, after you take the
sleeve off, I've seen it) and if that fails I'll try this dissolver
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