[les korcala]

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We good size water leak coming from our bedroom sink fucet cold water handle.
What strange to me is that when you turn the left handle ( hot water ) on , than water start leaking from right handle ( cold water side )
I dont have original owners manula of thsi fucet and there is no name anywhere to be found?

Also, I wanted to take out the guts but so far only hadle and one white plastic part of the valve, looks like fancy cardridge system.

Is anyone here has same style fucet and ever developed leak.

Trying to figure out where I can get the part and if they are still stock them since is over 10 years old.

Thanks