will this replace a 400A on an american standard 4392?

Yes this will replace the 400A and flapper that is in that model of tank. For more information please contact Fluidmaster’s Technical Service Department, we are available Monday through Friday from 5:30 AM through 5:00 PM Pacific Standard Time. Contact options include: Chat www.fluidmaster.com/support E-Mail techsupport@fluidmaster.com and Toll Free 800-631-2011.

My new one leaks a little when you flush. Under the blue cap just a few drops than it stops leaking. Is this a normal release of water when flushed ?

I would have been thrilled if mine had only leaked a few drops. Mine sprayed water like a fire hose so I returned it.

Will this fit a Kohler 1.6 gallon toilet?

I see no reason why not, unless your tank is too low to put the tank lid or cover back on. check height of fill valve and tank depth

Does this work with the toilets that does not have handles.. we have the one where you have to push the button in the center top of the tank.. Thanks

The part you are buying is the tube that refills the tank after the flush has occurred. Whether the flush is because of a handle or a button on the top of the tank. this unit is is separate from that action. The flapper valve included may or may not work with your tank but the unit itself to fill the tank over and over will work just fine.

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Description

🚽 Upgrade your flush game — efficiency meets effortless installation!

ECO FRIENDLY FLUSH - PerforMAX flapper reduces water use per flush, helping you save on utility bills and support sustainability.
PRECISION WATER CONTROL - Adjust tank and bowl water levels for optimal flush performance and efficiency.
WORRY FREE 7 YEAR WARRANTY - Backed by a 7-year limited warranty for peace of mind and trusted performance.
DURABLE CORROSION RESISTANT - Solid frame and corrosion-resistant materials ensure a secure seal and long-lasting reliability.
UNIVERSAL FIT ADJUSTABLE HEIGHT - Fits most 2-inch flush valve toilets with customizable fill valve height for seamless installation.

The Fluidmaster K-400H-039 is a high-performance toilet fill valve and 2-inch adjustable flapper kit designed to restore your toilet’s flush efficiency. Featuring the PerforMAX water-saving flapper and adjustable fill valve height, it fits most 2-inch flush valve toilets, offering precise water control and easy installation. Built with corrosion-resistant materials and backed by a 7-year warranty, this kit delivers durability and eco-friendly performance for modern homes.

Specifications

Material	Plastic
Brand	Fluidmaster
Item dimensions L x W x H	3.54 x 6.3 x 2.38 inches
Exterior Finish	Plastic
Inlet Connection Size	2 Inches
Inlet Connection Type	Female Iron Pipe
Outlet Connection Type	FNPT
Number of Ports	2
Outlet Connection Size	2 Inches
Specification Met	CSA, ULC
Manufacturer	Fluidmaster
UPC	039961031815
Part Number	K-400H-039-T14
Item Weight	13.6 ounces
Product Dimensions	3.54 x 6.3 x 2.38 inches
Item model number	K-400H-039-T14
Size	Universal, for 2 In.
Color	Multicolor
Shape	shape
Installation Method	Toilet
Item Package Quantity	1
Special Features	Adjustable
Usage	Inside; Amateur, Inside; Professional
Included Components	PerforMAX Toilet Fill Valve, 2-Inch Flapper
Batteries Included?	No
Batteries Required?	No
Warranty Description	7 Year Limited

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