o-ring

I recently bought a Kohler Parallel (K-TLS23502-4) bath and shower trim kit. Three weeks after the first installation, the tub filler pulled out from the wall, with water pouring out from behind the tub filler until I shut off the flow. The plumber who installed it returned. He tightened a screw...

This kitchen faucet needs O-rings. I contacted Price-Pfister, who told me it is a 34 Genesis. Unfortunately, the exploded parts diagram does not match this faucet. Also, the part number they gave me for the O-rings (950-9100) includes only two rings, but mine has three. This is a well-made...