---
product_id: 10002356
title: "Regal A-38-A Water Closet Diaphragm Assembly Kit 3.5 GPF - Natural Rubber Diaphragm with Brass Bypass | For use with Regal Flushometers | OEM Sloan Parts, 3301038"
brand: "sloan"
price: "535 DH"
currency: MAD
in_stock: true
reviews_count: 13
category: "Sloan"
url: https://www.desertcart.ma/products/10002356-regal-a-38-a-water-closet-diaphragm-assembly-kit-3
store_origin: MA
region: Morocco
---

# 3.5 GPF precise flush Durable brass bypass Natural rubber diaphragm Regal A-38-A Water Closet Diaphragm Assembly Kit 3.5 GPF - Natural Rubber Diaphragm with Brass Bypass | For use with Regal Flushometers | OEM Sloan Parts, 3301038

**Brand:** sloan
**Price:** 535 DH
**Availability:** ✅ In Stock

## Summary

> 🚽 Flush smarter, save water, and stay ahead with Sloan Regal precision!

## Quick Answers

- **What is this?** Regal A-38-A Water Closet Diaphragm Assembly Kit 3.5 GPF - Natural Rubber Diaphragm with Brass Bypass | For use with Regal Flushometers | OEM Sloan Parts, 3301038 by sloan
- **How much does it cost?** 535 DH with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ma](https://www.desertcart.ma/products/10002356-regal-a-38-a-water-closet-diaphragm-assembly-kit-3)

## 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:** Brass bypass and genuine Sloan parts guarantee durability and fewer repairs.
- • **Trusted Industry Leader:** Backed by Sloan’s century-long expertise in commercial plumbing innovation.
- • **Sustainable Water Savings:** Natural rubber diaphragm limits waste, promoting eco-friendly restroom solutions.
- • **Precision Flush Every Time:** 3.5 gallons per flush ensures optimal water use without compromise.
- • **Engineered for Compatibility:** Seamlessly fits Regal Flushometers for hassle-free installation and maintenance.

## Overview

The Sloan Regal A-38-A Water Closet Diaphragm Assembly Kit features a 3.5 GPF natural rubber diaphragm paired with a durable brass bypass, designed exclusively for Regal Flushometers. This OEM part ensures precise flushing performance, reduces water waste, and extends the lifespan of your commercial restroom fixtures with genuine Sloan quality and compatibility.

## Description

desertcart.com: Sloan Regal A-38-A Water Closet Diaphragm Assembly Kit 3.5 GPF - Natural Rubber Diaphragm with Brass Bypass | For use with Regal Flushometers | OEM Sloan Parts, 3301038 : Tools & Home Improvement

Review: Perfect fit and high quality. - Genuine Sloan flush valve seal. Works great. Good product.
Review: Perfect - Dropped right in and worked great!!

## Features

- WATER CLOSET DIAPHRAGM ASSEMBLY: Our Regal water closet diaphragm assembly kit is intended to replace worn or end of service life assemblies. The replacement assembly has a natural rubber diaphragm and brass bypass that will ensure an accurate flush every time.
- COMPATIBILITY CHECK: This water closet diaphragm assembly is specifically designed to work as a replacement for our line of Regal Flushometers. Regal water closet diaphragm replacements come in 1.6 gpf, 3.5 gpf, and 4.5 gpf. Always make sure to check part compatibility to ensure a quick, hassle-free repair.
- INTELLIGENT DESIGN: Our Diaphragm Assemblies are specially crafted to limit water closet and urinal water consumption. Worn-out diaphragms can lead to water waste or incorrect flushing amounts. 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 | B000UFW78S |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #7,879 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #19 in Toilet Flush Valves |
| Brand | Sloan |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (528) |
| Date First Available | September 9, 2006 |
| Exterior Finish | Chrome |
| Finish | Chrome |
| Global Trade Identification Number | 00671254039445 |
| Included Components | kitchen-sink-installation-parts-and-kits |
| Inlet Connection Size | 2 Inches |
| Inlet Connection Type | The inlet connection type for the Sloan Regal A-38-A Water Closet Diaphragm Assembly Kit is likely to be a 'Diaphragm' connection. |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 0.01 ounces |
| Item dimensions L x W x H | 3 x 3.3 x 3.3 inches |
| Item model number | 33996 |
| Manufacturer | Sloan Valve Co. |
| Material | Brass, Rubber |
| Number of Handles | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 2 Inches |
| Outlet Connection Type | Threaded |
| Part Number | A-38-A |
| Product Dimensions | 3 x 3.3 x 3.3 inches |
| Size | 3.5 GPF |
| Special Features | New Old Stock - Packaging is soiled but product is new and unused |
| Specification Met | EPA, WaterSense |
| Style | Water Closet |
| UPC | 013147055376 783961315771 671254039445 784497874817 |
| Warranty Description | Warranty |

## Product Details

- **Brand:** Sloan
- **Exterior Finish:** Chrome
- **Inlet Connection Size:** 2 Inches
- **Item dimensions L x W x H:** 3 x 3.3 x 3.3 inches
- **Material:** Brass, Rubber
- **Number of Ports:** 2
- **Outlet Connection Size:** 2 Inches
- **Outlet Connection Type:** Threaded
- **Specification Met:** EPA, WaterSense

## Images

![Regal A-38-A Water Closet Diaphragm Assembly Kit 3.5 GPF - Natural Rubber Diaphragm with Brass Bypass | For use with Regal Flushometers | OEM Sloan Parts, 3301038 - Image 1](https://m.media-amazon.com/images/I/61xoMJ2Qp1L.jpg)

## Available Options

This product comes in different **Size, Number Of Items** options.

## Questions & Answers

**Q: My flushometer currently has a A-36-A diaphragm kit in it.I am looking to make it more economical.Will the A-38-A do so?Lower the standing water level**
A: Nick B said on November 23, 2014  |  Edit A-36A USE -4.5 GALLONS PER FLUSH /16.9LITERS PER FLUSHA- 38 A USE 3.5 gpf/13.2 Lpf one gallon less

**Q: does this only work for Sloan urinals, Im looking for Crane Urinal parts. will this work?**
A: this is not for other brands, only sloan

**Q: Does this include all of the "guts" needed to rebuild a urinal flush valve?**
A: Yes, except for the vacuum breaker, and anything below that. Also the shut off itself, which may or may not need replacement.

**Q: Does this fit the gem 2?**
A: do not think so, the gem is a cartridge right?

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect fit and high quality.
*by O***X on July 2, 2025*

Genuine Sloan flush valve seal. Works great. Good product.

### ⭐⭐⭐⭐⭐ Perfect
*by B***D on September 18, 2025*

Dropped right in and worked great!!

### ⭐⭐⭐⭐⭐ Nice Quality
*by G***D on September 9, 2025*

Nice quality and just the right replacement part. Installed it today and took care of the problem.

## Frequently Bought Together

- Sloan Regal A-38-A Water Closet Diaphragm Assembly Kit 3.5 GPF - Natural Rubber Diaphragm with Brass Bypass | For use with Regal Flushometers | OEM Sloan Parts, 3301038
- Sloan Regal V-551-A Vacuum Breaker Repair Kit - Replace Broken or Malfunctioning Vacuum Breakers | For use with Regal Flushometers | OEM Sloan Parts, 3323192
- Sloan A-71 Inside Cover for Sloan Flushometers - Compatible with Royal, Regal, Series 900 Hydraulic and PWT Series 600 Flushometers, Original OEM Parts, 0301168

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*Product available on Desertcart Morocco*
*Store origin: MA*
*Last updated: 2026-02-16*