---
product_id: 55874775
title: "Thomas DudleyHydroflo Cistern Inlet Float Valve Diaphragm Washer Black Rubber Seal 319726"
brand: "thomas dudley"
price: "€ 22.00"
currency: EUR
in_stock: true
url: https://www.desertcart.es/products/55874775-thomas-dudleyhydroflo-cistern-inlet-float-valve-diaphragm-washer-black-rubber
store_origin: ES
region: Spain
---

# 8mm Thickness 28mm Diameter 60g Weight Thomas DudleyHydroflo Cistern Inlet Float Valve Diaphragm Washer Black Rubber Seal 319726

**Brand:** thomas dudley
**Price:** € 22.00
**Availability:** ✅ In Stock

## Summary

> 💡 Upgrade Your Cistern Game!

## Quick Answers

- **What is this?** Thomas DudleyHydroflo Cistern Inlet Float Valve Diaphragm Washer Black Rubber Seal 319726 by thomas dudley
- **How much does it cost?** € 22.00 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/55874775-thomas-dudleyhydroflo-cistern-inlet-float-valve-diaphragm-washer-black-rubber)

## Best For

- thomas dudley enthusiasts

## Why This Product

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

## Key Features

- • **🖤 Modern Aesthetic:** Sleek black rubber finish complements any cistern design.
- • **🛠️ Versatile Fit:** Compatible with both new and old style diaphragm washers.
- • **🔒 Overflow Prevention:** Innovative design prevents overflow, keeping your cistern in check.
- • **🔄 Seamless Replacement:** Easily replaces worn-out washers for optimal performance.
- • **💧 Cold Water Compatibility:** Designed specifically for cold water cisterns, ensuring reliability.

## Overview

The Thomas Dudley Hydroflo Cistern Inlet Float Valve Diaphragm Washer (Part Number 319726) is a high-quality replacement component designed for cold water cisterns. With a modern black rubber finish, this washer measures 28mm in diameter, 8mm in thickness, and 14.5mm in height, ensuring a perfect fit for both new and old style diaphragm valves. Weighing only 60g, it offers a seamless solution to prevent overflow and maintain optimal cistern performance.

## Description

Thomas DudleyHydroflo Cistern Inlet Float Valve Diaphragm Washer Black Rubber Seal 319726

## Features

- THOMAS DUDLEY REPLACEMENT HYDROFLO CISTERN BLACK RUBBER INLET FILLING VALVE(S) DIAPHRAGM WASHERS PART NUMBER 319726 SUITABLE FOR MOST THOMAS DUDLEY FLOAT VALVE(S) IDEALLY USING COLD WATER CISTERNS
- IDEAL REPLACEMENT FOR WORN OUT WASHERS TO ALLOW OVERFLOW TO SHUT OFF IN CISTERN
- THIS NEW DESIGN DIAPHRAGM WASHERS CAN BE USED AS REPLACEMENT FOR BOTH NEW AS WELL AS OLD STYLE DIAPHRAGM WASHERS
- WASHER SIZE SPECIFICATION(S) APPROX: WIDTH DIAMETER: 28MM, WASHER THICKNESS: 8MM, WASHER HEIGHT: 14.5MM
- THE FLOAT CISTERN INLET BALL VALVE DAIPHRAGM WASHER THAT YOU ARE REPLACING MIGHT LOOK SLIGHTLY DIFFERENT TO THE NEW ONES AS THEY TEND TO DEFORM OVER THE PERIOD OF TIME DUE TO WEAR & TEAR

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | THOMAS DUDLEY |
| Part Number | PSPBVM319726 |
| Package Dimensions | 5.4 x 5.2 x 1.2 cm; 60 g |
| Item model number | PSPBVM319726 |
| Style | MODERN |
| Finish | BLACK & WHITE RUBBER |
| Material | Rubber |
| Shape | CIRCULAR |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 60 g |

## Product Details

- **Material:** Rubber
- **Brand:** Thomas Dudley
- **Inlet connection type:** Barb
- **Valve type:** Float Valve
- **Global Trade Identification Number:** 00119313603119
- **Manufacturer:** THOMAS DUDLEY
- **UPC:** 119313603119

## Images

![Thomas DudleyHydroflo Cistern Inlet Float Valve Diaphragm Washer Black Rubber Seal 319726 - Image 1](https://m.media-amazon.com/images/I/91t925ChzZL.jpg)
![Thomas DudleyHydroflo Cistern Inlet Float Valve Diaphragm Washer Black Rubber Seal 319726 - Image 2](https://m.media-amazon.com/images/I/91oGROniLDL.jpg)
![Thomas DudleyHydroflo Cistern Inlet Float Valve Diaphragm Washer Black Rubber Seal 319726 - Image 3](https://m.media-amazon.com/images/I/91dfou1F5YL.jpg)
![Thomas DudleyHydroflo Cistern Inlet Float Valve Diaphragm Washer Black Rubber Seal 319726 - Image 4](https://m.media-amazon.com/images/I/91juJrzjqGL.jpg)
![Thomas DudleyHydroflo Cistern Inlet Float Valve Diaphragm Washer Black Rubber Seal 319726 - Image 5](https://m.media-amazon.com/images/I/91rJRMRPKDL.jpg)

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**Shop now:** [https://www.desertcart.es/products/55874775-thomas-dudleyhydroflo-cistern-inlet-float-valve-diaphragm-washer-black-rubber](https://www.desertcart.es/products/55874775-thomas-dudleyhydroflo-cistern-inlet-float-valve-diaphragm-washer-black-rubber)

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-02-19*