What is the gpf on this valve, thanks?

It varies per your own setting of your toilet (see those specs): You can turn the set screw all the way up for a more downward placement of the ballcock so that it fills the tank less. That way it may save a gallon of water or so, but may no longer flush forcefully enough as is sometimes desired. The better question would be to find a two-way push button for a lesser water need or more water need as nature calls for. ;-)

Will this work with the kohler san miguel k3402 toilet?

Some research indicates that you may want the #1068030 Kohler Toilet Fill Valve for the Rialto

I will this fit a Kohler Toilet model K3384 ?

It should.Check with kohler dealer!Best wishes!

What hose can I use for the the top spout? Is there a way to turn it off? My old one did not have water coming out the top.

Part discontinued - Kohler part 1013337

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Kohler 1068031 Fill Valve

Product ID: 13011961

Details

Brand
Kohler
Exterior Finish
Plastic
Inlet Connection Size
12 inches
Inlet Connection Type
Flexible
Item dimensions L x W x H
15 x 8 x 1
Material
Plastic

💧WaterSense certified for efficiency

🔧Flexible 12-inch inlet/outlet connections

⚙️Precision-engineered float valve

RM292

Duties & taxes included

In stock

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Description

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

WATER SENSE CERTIFIED - Meets strict water efficiency standards to save water without sacrificing performance.
COMPACT LIGHTWEIGHT - Slim 15x8x1 inch design and just 16 ounces for easy handling and replacement.
TRUSTED KOHLER QUALITY - Genuine OEM part ensuring perfect fit and long-lasting durability.
EFFORTLESS INSTALLATION - Includes flexible 12-inch inlet and outlet hoses for quick, hassle-free setup.
RELIABLE FLOAT VALVE TECHNOLOGY - Precision float valve ensures consistent, leak-free fill every time.

The Kohler 1068031 Fill Valve is a genuine OEM replacement part featuring a precision float valve design, flexible 12-inch inlet and outlet hoses, and WaterSense certification for water efficiency. Compact and lightweight, it ensures easy installation and reliable performance, making it the go-to choice for professional-grade toilet repairs.

Specifications

ASIN	B003H4BEKQ
Best Sellers Rank	#156,892 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #228 in Toilet Flush Valves #13,271 in Kitchen & Bath Fixtures
Brand Name	Kohler
Customer Reviews	4.3 4.3 out of 5 stars (204)
Exterior Finish	Plastic
Global Trade Identification Number	00650531556240
Included Components	K-1068031
Inlet Connection Size	12 inches
Inlet Connection Type	Flexible
Item Dimensions	15 x 8 x 1 inches
Item Type Name	K-1068031
Item Weight	16 ounces
Manufacturer	Kohler
Manufacturer Part Number	1068031
Material Type	Plastic
Model Number	1068031
Number of Items	1
Number of Pieces	1
Number of Ports	1
Outlet Connection Size	12 inches
Outlet Connection Type	Flexible
Specification Met	ASME, ADA, UL, WaterSense
UPC	650531556240
Unit Count	1 Count
Valve Type	Float Valve

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