---
product_id: 4649221
title: "Danco HC660 Toilet Fill Valve Repair Kit, Pack of 1, Blue White"
brand: "danco"
price: "€ 20.89"
currency: EUR
in_stock: true
url: https://www.desertcart.ie/products/4649221-danco-hc660-toilet-fill-valve-repair-kit-pack-of-1
store_origin: IE
region: Ireland
---

# Water-saving tech Leak detection alert Tool-free install Danco HC660 Toilet Fill Valve Repair Kit, Pack of 1, Blue White

**Brand:** danco
**Price:** € 20.89
**Availability:** ✅ In Stock

## Summary

> 🚽 Flush Away Worries with Smart Solutions!

## Quick Answers

- **What is this?** Danco HC660 Toilet Fill Valve Repair Kit, Pack of 1, Blue White by danco
- **How much does it cost?** € 20.89 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/4649221-danco-hc660-toilet-fill-valve-repair-kit-pack-of-1)

## Best For

- danco enthusiasts

## Why This Product

- Trusted danco brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Leak Alert System:** Stay ahead of potential issues with an audible alert for leaks.
- • **Adjustable Heights:** Customize your setup with an adjustable height from 11 to 13.8 inches.
- • **Effortless Efficiency:** Transform your toilet into a water-saving powerhouse with our innovative fill valve.
- • **Clean Tank, Happy Home:** Strong cleaning jets ensure your toilet tank stays pristine with every flush.
- • **Hassle-Free Installation:** Experience tool-free installation with our Smart Nut design, making repairs a breeze.

## Overview

The Danco HC660 Toilet Fill Valve Repair Kit is a cutting-edge solution designed to enhance your toilet's efficiency. This water-saving valve features a built-in mini-valve for adjustable tank refill levels, an audible leak detection alert, and strong cleaning jets to keep your toilet tank clean. With easy height adjustments and tool-free installation, this kit is perfect for any standard toilet, ensuring a hassle-free experience.

## Description

Danco HC660 Toilet Fill Valve Repair Kit, Pack of 1, Blue White

## Features

- WATER-SAVING toilet fill valve with built-in mini-valve that adjusts tank refill water level
- DETECTS LEAKS: The water-saving toilet fill valve sounds an audible alert when a leak is detected making you aware of any potential issues that must be addressed
- CLEANING JETS: Strong jets stir up debris in toilet tank in order rush any dirt down the drain with every flush keeping your toilet tank cleaner
- EASY ADJUSTMENTS: Shuts off water inside tank making repairs a snap, refills quickly, and has an adjustable height of 11 inches to 13.8 inches
- EASY INSTALLATION: Smart Nut helps with easy installation without tools in most standard toiletes
- Detects leaks
- Cleans the tank
- Installs easily without tools
- Calibrates your toilet for full flush efficiency

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Plastic |
| Brand | Danco |
| Item dimensions L x W x H | 10.5 x 3 x 3 inches |
| Exterior Finish | Plastic |
| Inlet Connection Size | 0.75 Inches |
| Inlet Connection Type | Fill |
| Outlet Connection Type | Fill |
| Outlet Connection Size | 0.75 Inches |
| Specification Met | (unset) |
| Valve Type | Float Valve |
| Global Trade Identification Number | 00188670000015 |
| Manufacturer | Next by Danco |
| UPC | 188670000015 |
| Part Number | HC660 |
| Item Weight | 12.3 ounces |
| Product Dimensions | 10.5 x 3 x 3 inches |
| Country of Origin | USA |
| Item model number | HC660 |
| Is Discontinued By Manufacturer | No |
| Size | Pack of 1 |
| Color | Blue White |
| Finish | Polypropylene |
| Item Package Quantity | 1 |
| Measurement System | inch |
| Included Components | fill valve |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | Limited 1 Year |

## Product Details

- **Material:** Plastic
- **Brand:** Danco
- **Item dimensions L x W x H:** 10.5 x 3 x 3 inches
- **Exterior Finish:** Plastic
- **Inlet Connection Size:** 0.75 Inches
- **Inlet Connection Type:** Fill
- **Outlet Connection Type:** Fill
- **Outlet Connection Size:** 0.75 Inches
- **Specification Met:** (unset)
- **Valve Type:** Float Valve

## Images

![Danco HC660 Toilet Fill Valve Repair Kit, Pack of 1, Blue White - Image 1](https://m.media-amazon.com/images/I/51pVbNByKsL.jpg)

## Questions & Answers

**Q: how does it detect leaks?**
A: All fill valves have the "audible" leak detection feature. Fluidmaster has a fill valve that actually stops the float from going down with the water level if there is a leak. It works while you're in Hawaii and hear ocean waves and not your toilet.

**Q: How does this device clean the toilet?**
A: It doesn't clean the toilet, it cleans the inside of the tank.  It does this by diverting some of the fill water through a tube that sits around the perimeter of the bottom of the tank.  Water jets on this tube stir up sediment at the bottom of the tank so it can be flushed down the drain.

**Q: I cannot adjust the height.  I think it is not correct**
A: I was also stumped by this at first. The trick is to push the little locking tab near the bottom while twisting the unit clockwise from the top.  It will only turn about 1/4 turn. In this position the adjustment is unlocked and you can freely (with a little effort) pull it up or push it down.  Once you get the top of the unit approximately even with the top of the tank, turn it clockwise 1/4 turn to lock it back in place.

**Q: Toilet won’t always flush, it will fill the bowl with more water but won’t always flush?**
A: Sounds like not moving enough water fast enough.
Make sure the little hole below the water in the front of the bowl is not clogged. Rotate the adjustment on the float to raise the water level in the tank between a quarter and a half an inch. Staying below the overflow tube.

## Frequently Bought Together

- Danco HC660 Toilet Fill Valve Repair Kit, Pack of 1, Blue White
- Danco HYR270 Hydroright Water-Saving Dual Flush Valve with Push-Button Handle, Plastic, Chrome
- Fluidmaster 400H-002 Performax Universal Toilet Fill Valve High Performance Tank and Bowl Water Control, 1-Pack, Multicolor

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-17*