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Blanco Faucet Side Sprayer

Help: black plastic shank that holds the side sprayer base to the countertop keeps sheering/breaking off at the base just above the countertop surface. I do not believe that I am over tightening the nut under the countertop. My Blanco sales guy says he has never heard of this.....thoughts, pls?

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It may be a result of extreme temperature changes from the time you tightened the shank until the time it broke however this is very unlikely.Typically the shank only needs to be tightened until it is stationary and immovable by normal operating stresses which is a very low torque value. As a general rule of thumb I use finger tight and an additional quarter turn. I once used epoxy and a short nipple to resolve the same issue but I had the advantage of having a pipe threading machine to fabricate the perfect size nipple and used a large washer and coupling to finish it off. If you try a new shank try tightening it as little as possible and I believe this will resolve the issue. Thanks for using Fix Ya and I hope this is of assistance to you.

Posted on Nov 09, 2008


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