---
product_id: 310857554
title: "Sloan Flushmate - Upper Supply, BU100505-KIT"
brand: "flushmate"
price: "€ 44.94"
currency: EUR
in_stock: true
url: https://www.desertcart.at/products/310857554-sloan-flushmate-upper-supply-bu100505-kit
store_origin: AT
region: Austria
---

# Direct water delivery to pressure vessel Includes upper supply & hose clamp Flushmate-specific 1.25mm inlet/outlet Sloan Flushmate - Upper Supply, BU100505-KIT

**Brand:** flushmate
**Price:** € 44.94
**Availability:** ✅ In Stock

## Summary

> 🚽 Upgrade your flush game with precision and power!

## Quick Answers

- **What is this?** Sloan Flushmate - Upper Supply, BU100505-KIT by flushmate
- **How much does it cost?** € 44.94 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/310857554-sloan-flushmate-upper-supply-bu100505-kit)

## Best For

- flushmate enthusiasts

## Why This Product

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

## Key Features

- • **Durable Build:** High-impact plastic withstands daily wear and tear
- • **Optimized Flow:** Delivers water directly to pressure vessel for peak flush power
- • **Precision Engineering:** Flushmate-specific connectors ensure leak-proof performance
- • **Effortless Installation:** Includes hose clamp and clear instructions for quick setup
- • **Universal Compatibility:** Fits all Flushmate series for seamless upgrades

## Overview

The Sloan Flushmate BU100505-KIT is a high-impact plastic upper supply kit designed for all Flushmate series toilets. Featuring Flushmate-specific 1.25mm inlet and outlet connectors, it ensures a leak-proof, direct water delivery to the pressure vessel tank. This kit includes the upper supply line and hose clamp for easy installation, restoring peak flush performance and reliability.

## Features

- For all series
- Includes: upper supply and hose clamp
- Delivers water directly to the Flushmate
- Connects inlet line to pressure vessel tank

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0057XUDGG |
| Brand | Flushmate |
| Brand Name | Flushmate |
| Connector Type | Flushmate specific |
| Customer Reviews | 4.6 out of 5 stars 290 Reviews |
| Exterior Finish | Black |
| Exterior finish | Black |
| Included Components | Sloan Flushmate BU-100505-K |
| Inlet Connection Size | 1.25 Millimeters |
| Inlet Connection Type | Flushmate specific |
| Inlet connection size | 1.25 Millimeters |
| Inlet connection type | Flushmate specific |
| Item Dimensions | 7.6 x 5.1 x 5.1 centimeters |
| Item Type Name | Sloan Flushmate BU-100505-K Upper Supply Kit for all series |
| Item dimensions L x W x H | 7.6 x 5.1 x 5.1 centimeters |
| Manufacturer | Sloan |
| Manufacturer Part Number | BU100505-K |
| Material | High-Impact Plastic |
| Material Type | High-Impact Plastic |
| Model Number | ST100500 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Outlet Connection Size | 1.25 Millimeters |
| Outlet Connection Type | Flushmate specific |
| Thread Size | 1.25 inches |
| Thread Type | Flushmate specific |
| UPC | 064871430052 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Flushmate
- **Exterior finish:** Black
- **Inlet connection size:** 1.25 Millimeters
- **Item dimensions L x W x H:** 7.6 x 5.1 x 5.1 centimeters
- **Material:** High-Impact Plastic

## Images

![Sloan Flushmate - Upper Supply, BU100505-KIT - Image 1](https://m.media-amazon.com/images/I/51vGb7oBiCL.jpg)
![Sloan Flushmate - Upper Supply, BU100505-KIT - Image 2](https://m.media-amazon.com/images/I/51kIoDGC+ML.jpg)
![Sloan Flushmate - Upper Supply, BU100505-KIT - Image 3](https://m.media-amazon.com/images/I/51RAQiKUxIL.jpg)

## Questions & Answers

**Q: Is it compatible with 503?**
A: Hello
I found a description for you in the instructions for this product

Flushmate Original Part BU100505-K Upper supply kit for all
series | BU100504-K | BU100503-K Upper Supply, For Use with All
2-Piece Toilet Configurations, Includes Upper Supply Assembly,
O-Ring, Hose Clamp Restrictions Note: Flushmate system is not
sold as a retrofit component for a gravity-fed toilet. Flushmate
System Pressurized flush eliminates double flush and clogs and
saves water. Fewer moving parts extends service life. 1ATR2 is
designed to replace any previous generation of Flushmate series,
including 500, 501, 501-A, and 501-B (except American Standard
fixtures). 2VRN8 is designed to replace series 500, 501, 501A,
and 501B in American Standard tank number 4086. Include
tank-to-bowl gasket. Flush cartridge, upper supply, and lower
supply are replacement parts for all Flushmate systems. This
upper supply may sit higher than the upper supply used on the
200, 500, and 501-A series. However, if the porcelain tank lid is
resting on the upper supply, it may need to be shimmed up on the
opposite side to level it out. Another option is to get a new
Flushmate system. Flushmate vessels and components do not
retrofit into gravity type toilets. They are only used with
Flushmate-equipped toilets.

**Q: Does this replace the brass fitting that came on original Flushmate 504?**
A: The fitting I replaced was plastic. However, it didn’t stop the running. There is a small filter in the water inlet that you should remove to increase the pressure. Those flush mate systems also have a recall so you may want to call them before getting too far off into the weeds.

**Q: Does this come with the Duckbill Valve?**
A: FYI, I called Sloan and they sold me 4 duckbill valves for $3.66 (on sale), but of course I paid $8 for shipping.  still, a better value than this.

**Q: What happens in tank if the upper valve goes bad?**
A: The toilet will run. This can also be caused by clogged inlet screen.

## Frequently Bought Together

- Flushmate BU100505-KIT Upper Supply Kit for Pressure-Assisted Toilet Systems - Compatible with 503, 503H, 504 Series, Fits Flushmate, Kohler, Gerber, Includes Upper Supply Assembly & Hose Clamp
- OEM Original Replacement For Sloan C-100500-K Flushmate Cartridge/PowerFlush Toilet Piston Cartridge Parts for Use with 500, 501, 501A, 501B, 503, and 504 Series Flushmate Tank System (1)
- Flushmate 9 in x 7 in x 3 in Black Plastic Powder Coated Wrench for Cartridge Removal

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-08-22*