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 No water pressure on sink sprayer
Author: bbinFoCo (CO)

The sink sprayer attached to my Kohler kitchen faucet (K-10412) stopped working. Nothing is obstructing the sprayer hose or nozzle and I've replacement the o-rings and bearings and, most importantly, the diverter with no positive results. The product guide that came with the faucet shows an O-ring (77955) to go with the diverter (75878), but it does not clear where this O-ring goes (i.e. does it seat inside of the hole where the diverter inserts or on the outside somehow?). This doesn't seem like rocket science but I'm about out of ideas. Your suggestions & ideas are welcome!
Brad in FOCO

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 Re: No water pressure on sink sprayer
Author: North Carolina Plumber (NC)

The O-ring goes onto the diverter itself, there's a groove that it fits in.

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 Re: No water pressure on sink sprayer
Author: razzle51 (IA)

if its a Kohler you know the saying "Buy it for looks buy it for life" Call them and they will send you a new head .... We did .

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 Re: No water pressure on sink sprayer
Author: jeff h (NJ)

there is a check valve inside the faucet or the hose that must be stuck close would suggest getting a new faucet

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