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 silent fill valve – performance you can trust!

SIMPLE INSTALLATION - Manual valve type with standard 1-inch female iron pipe inlet and 1.5-inch NPT outlet connections.
UNIVERSAL COMPATIBILITY - Fits all Kohler Class Five toilets with easy identification by shank color (black).
WARRANTY SAFE GENUINE PART - Always choose Kohler Genuine Parts to protect your product warranty and avoid costly repairs.
DURABLE USA MADE CONSTRUCTION - Crafted from high-quality plastic in the USA for reliable, long-lasting use.
PRECISION ENGINEERED FOR LONGEVITY - Designed by Kohler engineers to maintain original performance and extend toilet life.

The Kohler Genuine Part GP1083167 Silent Fill Valve Kit is a precision-engineered replacement valve designed specifically for Kohler Class Five toilets. Featuring an adjustable manual fill valve, it ensures optimal water flow and silent operation while protecting your warranty. Made in the USA from durable materials, this OEM part guarantees seamless compatibility and long-lasting performance.

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Material	Plastic
Brand	Kohler
Item dimensions L x W x H	29.8 x 9.5 x 7.6 Centimeters
Exterior Finish	Black
Inlet Connection Size	1 Inches
Inlet Connection Type	Female Iron Pipe
Outlet Connection Type	NPT
Outlet Connection Size	1.5 Inches
Global Trade Identification Number	00650531688415
Manufacturer	Kohler
UPC	650531688415
Country of Origin	USA
Item model number	GP1083167
Product Dimensions	29.85 x 9.53 x 7.62 cm; 10 g
ASIN	B001GZVSX6

Kohler Genuine Part Gp1083167 Silent Fill Valve Kit For All Kohler Class Five Toilets,12.5" x 3.5" x 3"

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