I'm having trouble with the water temperature. After about five minutes, my shower goes cold even though there is still hot water at the sink.

I just spoke with Kohler Customer Service about a similar issue I'm having. They said issues related to temperature are caused by the PRESSURE BALANCING UNIT. If you had a leak or non-temperature issue, then you should replace the MIXER CAP.

how to adjust the Kohler shower facet to get hotter water

There is a safety stop that is adjustable with an allen wrench. This is to prevent scalding. I just adjust my water heater to a safe temp and leave the the stop screw out all the way. The allen screw is just behind the O ring where the the knurled shaft is. I wish I can adjust it so it wouldn't drip when off, which is always worse in the winter. I always replace Kohler products when it"s practical, but in lieu of tearing out the shower I replace the mixer every couple of years.

does it come with new o-rings?

Yes it does, everything needed for a complete swap-out is there.

When i turn the water on . water comes out the shower head without even pulling up on the thing on top the spout. what part do i need? thanks

Assuming your handle rotates (turns, not push/pull), turn the water off with the handle then realign.

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Description

🚿 Elevate your shower game with KOHLER’s precision-crafted mixer cap!

COMPACT DURABLE DESIGN - Lightweight 5.6 oz plastic cap with a sleek black finish and 3-inch diameter for easy installation.
EFFORTLESS HANDLE MOVEMENT - Experience smooth, precise shower handle rotation every time.
SAFETY FIRST TEMPERATURE CONTROL - Built-in temperature limit stop ensures safe, customizable water warmth.
AUTHENTIC KOHLER QUALITY ASSURANCE - Genuine KOHLER part engineered to maintain original product performance and longevity.
ENGINEERED FOR SEAMLESS COMPATIBILITY - Fits most Rite-Temp shower valves with KOHLER trim for a flawless upgrade.

The KOHLER Genuine Part GP77759 Mixer Cap is a durable, precision-engineered replacement component designed for most Rite-Temp 1/2" shower valves. Featuring a temperature limit stop for safety and smooth handle rotation, this authentic KOHLER part ensures optimal performance and longevity while seamlessly fitting KOHLER trim. Lightweight and easy to install, it’s the smart choice for maintaining your shower’s premium functionality.

Specifications

Material	Plastic
Brand	KOHLER
Exterior Finish	painted
Inlet Connection Size	0.5 Inches
Inlet Connection Type	Female Iron Pipe
Outlet Connection Type	Female Iron Pipe
Outlet Connection Size	0.5 Inches
Global Trade Identification Number	00650531630650
Manufacturer	Kohler
UPC	650531630650
Part Number	GP77759
Item Weight	5.6 ounces
Item model number	K-GP77759
Is Discontinued By Manufacturer	No
Size	No Size
Color	Black
Style	Plumbing Overstock
Finish	No Finish
Shape	Triangle
Item Package Quantity	1
Cutting Diameter	3 Inches
Switch Style	Limit Switch, Pressure Switch, Temperature Switch
Included Components	Plumbing Fixtures;Kitchen Faucets and Accessories;faucet-aerators-and-adapters
Batteries Included?	No
Batteries Required?	No
Warranty Description	Warranty
Assembled Diameter	3 Inches

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