---
product_id: 12613032
title: "Sloan A-156-A Regal Replacement Diaphragm Inside Part Kits - For Use with Sloan Regal Flushometers, Natural Rubber, Original OEM Replacement Parts, 5301188"
brand: "sloan"
price: "£10.59"
currency: GBP
in_stock: true
reviews_count: 12
url: https://www.desertcart.co.uk/products/12613032-sloan-a-156-a-regal-replacement-diaphragm-inside-part-kits
store_origin: GB
region: United Kingdom
---

# Natural rubber for durable water sealing WaterSense certified for eco-friendly efficiency Precision brass bypass for smooth operation Sloan A-156-A Regal Replacement Diaphragm Inside Part Kits - For Use with Sloan Regal Flushometers, Natural Rubber, Original OEM Replacement Parts, 5301188

**Brand:** sloan
**Price:** £10.59
**Availability:** ✅ In Stock

## Summary

> 💧 Upgrade your flush game with Sloan’s Regal diaphragm — where durability meets sustainability!

## Quick Answers

- **What is this?** Sloan A-156-A Regal Replacement Diaphragm Inside Part Kits - For Use with Sloan Regal Flushometers, Natural Rubber, Original OEM Replacement Parts, 5301188 by sloan
- **How much does it cost?** £10.59 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/12613032-sloan-a-156-a-regal-replacement-diaphragm-inside-part-kits)

## Best For

- sloan enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Natural rubber diaphragm with brass bypass ensures long-lasting performance
- • **Eco-Smart Efficiency:** WaterSense certification reduces water waste and lowers utility costs
- • **OEM Quality Assurance:** Genuine Sloan part engineered to maintain peak flushometer reliability
- • **Quick Fix, Big Impact:** Restore your commercial restroom’s efficiency and avoid costly downtime
- • **Effortless Compatibility:** Seamlessly fits Sloan Regal flushometers for hassle-free repairs

## Overview

The Sloan A-156-A Regal Replacement Diaphragm is an OEM-quality, natural rubber part with a brass bypass designed specifically for Sloan Regal flushometers. Engineered for durability and water efficiency, it meets WaterSense standards to help reduce water consumption while ensuring reliable, long-lasting performance in commercial restroom applications.

## Description

Sloan is the world’s leading manufacturer of commercial plumbing systems. Since 1906, we have been at the forefront of the green building movement providing smart, sustainable, and hygienic restroom solutions such as flushometers, faucets, sink, soap dispensers, and fixtures to promote wellness in commercial markets worldwide. Sloan restroom solutions improve water-efficiency without compromising design, quality, affordability, or performance. Flushometer & Sensor Retrofit Visit the Store Flushometer & Sensor Retrofit Visit the Store Sensor Faucets Visit the Store Sensor Faucets Parts Visit the Store Parts

## Features

- REPLACEMENT DIAPHRAGM: Our Regal diaphragm is intended to replace worn or end of service life diapraghms. It is molded from Natural Rubber Compound with a brass bypass.
- COMPATIBILITY CHECK: This diaphragm is intended as a replacement for our line of Regal flushometers. Always make sure to check part compatibility to ensure a quick, hassle-free repair.
- INTELLIGENT DESIGN: Our diaphragm is designed to last and create a more efficient bathroom experience. Enhance your bathroom with high-efficiency applications and optimize your flushometers to reduce costs, preserve water, and promote sustainability.
- SLOAN GENUINE PARTS: Extend the life of your Sloan products. Our products perform at their highest levels when maintained exclusively using Sloan Genuine Parts. We offer the largest selection of best-in-class parts, manufactured and tested to Sloan specifications, specifically designed for the most reliable commercial restroom products. This means fewer repairs and protects your investments.
- WATER CONNECTS US: Every day around the world, Sloan products connect the systems that manage our planet's most precious resource. As the world's leading manufacturer of commercial plumbing systems, we've spent more than a century pioneering smart, water-saving restroom solutions that are built to last a lifetime.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000H5OOI2 |
| Best Sellers Rank | #487,727 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #703 in Toilet Flush Valves |
| Brand | Sloan |
| Brand Name | Sloan |
| Customer Reviews | 4.5 out of 5 stars 77 Reviews |
| Exterior Finish | Brass |
| Global Trade Identification Number | 00671254044739 |
| Included Components | diaphragm |
| Inlet Connection Size | 3.25 Inches |
| Inlet Connection Type | Compression |
| Item Dimensions | 3.3 x 3.3 x 0.5 inches |
| Item Type Name | diaphragm |
| Item Weight | 0.01 Pounds |
| Item dimensions L x W x H | 3.3 x 3.3 x 0.5 inches |
| Manufacturer | Sloan Valve Co. |
| Manufacturer Part Number | A-156-A |
| Manufacturer Warranty Description | 3 Year Limited Warranty |
| Material | Rubber |
| Material Type | Rubber |
| Model Number | Regal |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 3.25 Inches |
| Outlet Connection Type | Threaded |
| Size | 1 Count (Pack of 1) |
| Specification Met | WaterSense |
| UPC | 671254044739 |
| Unit Count | 12.0 Count |
| Valve Type | Diaphragm Valve |

## Product Details

- **Material:** Rubber
- **Brand:** Sloan
- **Item dimensions L x W x H:** 3.3 x 3.3 x 0.5 inches
- **Exterior Finish:** Brass
- **Inlet Connection Size:** 3.25 Inches
- **Inlet Connection Type:** Compression
- **Outlet Connection Type:** Threaded
- **Number of Ports:** 2
- **Outlet Connection Size:** 3.25 Inches
- **Specification Met:** WaterSense

## Images

![Sloan A-156-A Regal Replacement Diaphragm Inside Part Kits - For Use with Sloan Regal Flushometers, Natural Rubber, Original OEM Replacement Parts, 5301188 - Image 1](https://m.media-amazon.com/images/I/51Cuv0VfQFL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: How much water per flush?**
A: The diaphragm Does not determine the gallons per flush. It is the entire kit that this is a part of that determines a gallon per flush.

**Q: How much water per flush ?**
A: Urinal requires .6 gal per flush ---toilet requires 1.6 gal per flush

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by P***P on July 21, 2025*



### ⭐⭐⭐⭐⭐ Review
*by A***R on February 11, 2024*



### ⭐⭐⭐⭐⭐ Review
*by B***D on February 9, 2025*



## Frequently Bought Together

- Sloan A-156-A Regal Replacement Diaphragm Inside Part Kits - For Use with Sloan Regal Flushometers, Natural Rubber, Original OEM Replacement Parts, 5301188
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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-22*