---
product_id: 396053676
title: "Sloan Valve BU100505-K Sloan Flushmate BU-100505-K Upper Supply Kit for All Series, Black"
brand: "flushmate"
price: "¥13899"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/396053676-sloan-valve-bu100505-k-sloan-flushmate-bu-100505-k-upper
store_origin: JP
region: Japan
---

# Quick & easy installation Efficient water delivery Universal Flushmate compatibility Sloan Valve BU100505-K Sloan Flushmate BU-100505-K Upper Supply Kit for All Series, Black

**Brand:** flushmate
**Price:** ¥13899
**Availability:** ✅ In Stock

## Summary

> 🚿 Upgrade your flush game with the ultimate pressure-assist kit!

## Quick Answers

- **What is this?** Sloan Valve BU100505-K Sloan Flushmate BU-100505-K Upper Supply Kit for All Series, Black by flushmate
- **How much does it cost?** ¥13899 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/396053676-sloan-valve-bu100505-k-sloan-flushmate-bu-100505-k-upper)

## 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

- • **Complete Kit:** Includes upper supply assembly and hose clamp for a perfect fit every time.
- • **Durable Build:** High-impact plastic ensures long-lasting, reliable performance.
- • **Trusted Quality:** Genuine Flushmate part with US assembly and 1-year warranty for peace of mind.
- • **Seamless Compatibility:** Fits all Flushmate series & top porcelain brands for ultimate versatility.
- • **Effortless Installation:** Basic tools, zero hassle—get your system running in no time.

## Overview

The Sloan Flushmate BU100505-K Upper Supply Kit is a durable, easy-to-install replacement part designed for all Flushmate pressure-assisted toilet systems. Compatible with multiple series and major porcelain brands, it ensures efficient water delivery and reliable performance. This genuine Flushmate product includes all necessary components, is assembled in the USA, and comes with a one-year warranty, making it the go-to choice for commercial and residential restroom maintenance.

## Description

Sloan All Series Flushmate Upper Supply Kit For 2-Piece Toilet Operation. For all series Includes: upper supply and hose clamp Delivers water directly to the Flushmate Connects inlet line to pressure vessel tank

## Features

- UPPER SUPPLY KIT: The Flushmate BU100505-KIT is an essential upper supply kit designed for pressure-assisted toilet systems, delivering water efficiently into the system to maintain optimal flushing performance.
- COMPATIBLE WITH MULTIPLE SERIES: This kit is compatible with all Flushmate systems, including 503, 503H, and 504 series, and fits various porcelain brands such as Sloan, Kohler, Gerber, and more, ensuring wide application.
- QUICK & EASY INSTALLATION: Installing the upper supply kit is straightforward and requires basic tools like a slotted screwdriver and hose cutter, making it easy to replace and restore your Flushmate system's functionality.
- COMPLETE KIT CONTENTS: The BU100505-KIT includes everything needed for installation, such as the upper supply assembly and a hose clamp, providing all necessary components for a seamless replacement.
- DURABLE AND RELIABLE PERFORMANCE: The upper supply kit is designed for long-lasting performance, ensuring your Flushmate system continues to operate efficiently by delivering consistent water flow to the pressure-assisted system.
- FLUSHMATE GENUINE PARTS: Our products perform at their best when maintained exclusively using Flushmate Genuine Parts. We offer the largest selection of best-in-class parts, manufactured and tested to Flushmate specifications, designed for the most reliable commercial restroom products. Assemblied in the USA.
- ONE YEAR WARRANTY: The Flushmate Upper Supply is backed by a limited one-year warranty and US based product support from Flushmate, ensuring peace of mind and dependable performance for reliable use and long-term satisfaction.
- INNOVATIVE SOLUTIONS: At Flushmate, we pride ourselves on engineering solutions that meet the evolving needs of commercial and residential settings. Our products are designed to optimize water usage without compromising on performance, making them ideal for a wide range of applications including homes, offices, schools, healthcare facilities, and more.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Sloan |
| Part Number | BU100505-K |
| Product Dimensions | 7.62 x 5.08 x 5.08 cm; 32 g |
| Item model number | ST100500 |
| Colour | Black |
| Material | High-Impact Plastic |
| Item Package Quantity | 1 |
| Included Components | Sloan Flushmate BU-100505-K |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 32 g |

## Product Details

- **Material:** High-Impact Plastic
- **Brand:** Flushmate
- **Item dimensions L x W x H:** 7.6 x 5.1 x 5.1 centimetres
- **Exterior finish:** Plastic
- **Inlet connection type:** Barb
- **Outlet connection type:** Flushmate specific
- **Outlet connection size:** 1.25 Inches
- **Manufacturer:** Sloan
- **UPC:** 064871430052

## Images

![Sloan Valve BU100505-K Sloan Flushmate BU-100505-K Upper Supply Kit for All Series, Black - Image 1](https://m.media-amazon.com/images/I/51vGb7oBiCL.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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/396053676-sloan-valve-bu100505-k-sloan-flushmate-bu-100505-k-upper](https://www.desertcart.jp/products/396053676-sloan-valve-bu100505-k-sloan-flushmate-bu-100505-k-upper)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-29*