My Fill valve does not turn off completely.Response from Kohler said to take red cap off and purge water through it. Anyone know what this means? All seals new and not leaking.

I used this tech tip to fix mine. It worked! My issue was related to calcium buildup under the yellow (or red for some) cap. I just scraped away the buildup, flushed it per Kohler video listed above and reassembled. Fixed! I am on well water... so my calcium levels were high before adding my water softener.

How tall is this piece? I need 9” one

It is adjustable. Set your height as you need.

I am looking to replace a Fill Valve that has a yellow cap and the part number is 1188946. Is this the correct replacement part?

I looked at the old one and it had a number on the top, if the numbers match it will work

Where is this fill valve (GP1083167) made?

Socrates: Wrong answer. You should be answering the question asked. Don't you hate it when someone "attacks" you in their response? I am not certain where it is made but I'd be surprised if it was somewhere other than ChAsia or Mexico. My history of life with these, fwiw: It appears to be a (copy of a/the ?) Fluidmaster (style) fill valve. I have replaced the arm float ball cock fill valves with a/various Fluidmaster unit in my rentals since 2000 or 2001 and remain very satisfied with them and their life. I have replaced the "rubber" washer/disk/valve when needed while also scrubbing/cleaning/wiping the seats (mating surfaces) of that disk AND the float of all scum/deposits that weigh it down and alter the fill level/boyancy. It IS often possible to clean that disk, the seats, and the float to obtain at the least a temporary fix; a NICE option when the valve is "screaming" or "whistling" and you can't immediately replace it. Yes, there have been a few times when a new disk and through cleaning didn't solve the problem/leak and I replaced the entire fill valve. Life is good!

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🚽 Upgrade your flush game with Kohler’s precision fill valve!

UNIVERSAL COMPATIBILITY - Designed specifically for all Class 5 toilets—no guesswork needed.
ENGINEERED FOR LONGEVITY - Built by Kohler engineers to ensure lasting durability and reliability.
SEAMLESS DIY INSTALLATION - Get your toilet running smoothly in minutes without professional help.
WARRANTY SAFE GENUINE PART - Protect your Kohler warranty with an authentic OEM replacement.
PRECISION ADJUSTABLE FILL VALVE - Customize water flow effortlessly for optimal toilet performance.

The Kohler GP1083167 Fill Valve is a genuine OEM replacement part engineered for all Class 5 toilets. Featuring an adjustable design, it ensures precise water flow control, easy installation, and long-lasting durability. This grey valve is the perfect hassle-free upgrade to maintain optimal toilet performance while protecting your Kohler warranty.

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Manufacturer	KOHLER
Part number	GP1083167
Item Weight	10 g
Product Dimensions	29.85 x 9.53 x 7.62 cm; 10 g
Item model number	GP1083167
Size	12.5" x 3.5" x 3"
Color	Grey
Style	Plumbing Overstock
Finish	No Finish
Material	Plastic
Item Package Quantity	1
Batteries Included?	No
Batteries Required?	No

KohlerGP1083167 Fill Valve for all Class 5

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