My toilet has a 3in drain from the tank to the bowl. Will this product fit?

Three inches sounds about right. If it is a standard toilet, with standard plumbing, it should work just fine. The interface with the tank drain pipe is conical, as can be seen in the photograph of the unit, to compensate for any slight variations there might be with the width of said drain pipe interface, as are conventional flappers.

After three years both of mine now leak and flush every 30 mins as the rubber washers used to hold the valve tight on the outlet have perished. Help?

Go get new rubber washers; chemicals in the water supply can degrade the rubber over time. Or you can use a metal hose clamp. However, if your blue dome seal has gone bad -- as mine has -- good luck finding a replacement part. Seems Danco wants you to replace the whole system when that seal goes bad. :-(

Anyone found a replacement seal for the unit? Mine is 10 months old and leaks terribly.

If the blue seal on the bottom of the unit is leaking, try this: GENTLY push down on the unit. If the unit slpped up the fill tube, this should stop the leak. Using the zip tie they gave us to attach the unit was not the brightest but was the cheapest way. Being a car guy, I used a stainless steel car heater hose clamp around the rubber ring on the overflow pipe and now nothing can move the unit. I found a mini clamp that is half the width of the usual clamp,and is easier to install.

Does this prohibit the use of bleach tablets in the tank? Does anyone use them with this?

The manual says that NO tablets, bleach or others should be used in the tank. Bleach and deodorizing units can be attached to the bowl without concern.

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Danco HYR460 Hydroright HyrdroRight Universal Water-Saving Toilet Repair Kit with Dual Flush Valve, White, Push Btton Handle

Danco HYR460 Hydroright HyrdroRight Universal Water-Saving Toilet Repair Kit with Dual Flush Valve, White, Push Btton Handle

Product ID: 150341030

Details

Brand
Danco
Colour
White
Item weight
0.74 Kilograms
Material
Plastic
Product dimensions
9.5D x 9.5W x

💧Dual flush reduces water use by up to 50%

🔧Tool-free drop-in installation

🚫Eliminates leaks with permafit silicone seal

€ 76.52

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Description

🚽 Upgrade your throne with smart water-saving tech—flush smarter, live greener!

SMART FLUSH CONTROL - Two-button design lets you choose quick flush for liquids or full flush for solids—use less water 80% of the time.
LEAK FREE CONFIDENCE - Permafit silicone seal resists warping and chlorine, stopping leaks before they start.
SAVE WATER SAVE BILLS - Dual flush technology cuts water use by up to half, perfect for eco-conscious homes.
LEAK DETECTION CALIBRATION - Built-in leak detection alerts you early and lets you fine-tune water volume for maximum efficiency.
DIY FRIENDLY NO TOOLS NEEDED - Effortless drop-in installation means no plumber required—upgrade your toilet in minutes.

The Danco HYR460 HydroRight Universal Water-Saving Toilet Repair Kit transforms any compatible standard toilet into a dual flush system, cutting water usage by up to 50%. Featuring a durable permafit silicone seal to eliminate leaks, a unique two-button flush handle for precise water control, and easy tool-free installation, this kit empowers DIYers to boost bathroom efficiency and reduce utility bills while supporting sustainable living.

Specifications

ASIN	B005FPNGWO
Best Sellers Rank	718,763 in DIY & Tools ( See Top 100 in DIY & Tools ) 1,403 in Toilet Tanks
Brand	Danco
Colour	White
Country of Origin	China
Customer Reviews	4.1 4.1 out of 5 stars (4,348)
Global Trade Identification Number	00188670000442
Included Components	Flush Valve
Installation method	Floor Mounted
Item Dimensions D x W x H	9.5D x 9.5W x 36.2H centimetres
Item Type Name	HyrdroRight Universal Water-Saving Toilet Repair Kit with Dual Flush Valve
Item Weight	0.74 Kilograms
Manufacturer	Next by Danco
Material	Plastic
Model Number	HYR460
Number of Items	1
Part Number	HYR460
Seat Material Type	Plastic
Shape	Round
UPC	188670000442
Unit Count	1.0 count

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€ 76.52

Duties & taxes included

In stock

Sold byAmazon GreeceDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Greece.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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