Plastic Bibb Washers

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Verdeboy

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I was working on a leaky tub faucet today and found hard, white plastic bibb washers. I replaced them with rubber ones.

Anyone know why someone would use the hard plastic ones?
 

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Leejosepho

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When two surfaces (stem and seat) are well-machined and properly mated, they seal. When tolerances are not so tight, anything from hard plastic or whatever else all the way down to silicone or whatever else can make a seal possible anyway.
 

Jimbo

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Flat bibb washers are available in black, red,blue, and white, differing in hardness. The hardest ( white ) will last longer, but require a seat in perfect condition, and as seats are subject to wear, especially in horizontal valves like shower, I do not find the white to be successful long term. I prefer the reds.
 

Verdeboy

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Just eyeing those peanuts over there. I'm the peanut monster.:D
 
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