---
product_id: 13593101
title: "Sloan Regal A-37-A Commercial Urinal Diaphragm Assembly Kit 1.5 GPF, Black | Flush valve rebuild kit, Fits Regal Flushometers, Rubber, Brass, Genuine OEM part, Direct OEM replacement 3301037"
brand: "sloan"
price: "$55.31"
currency: USD
in_stock: true
category: "Sloan"
url: https://www.desertcart.us/products/13593101-sloan-regal-a-37-a-commercial-urinal-diaphragm-assembly-kit
store_origin: US
region: United States of America
---

# 1.5 GPF precise flush Water-saving design OEM direct replacement Sloan Regal A-37-A Commercial Urinal Diaphragm Assembly Kit 1.5 GPF, Black | Flush valve rebuild kit, Fits Regal Flushometers, Rubber, Brass, Genuine OEM part, Direct OEM replacement 3301037

**Brand:** sloan
**Price:** $55.31
**Availability:** ✅ In Stock

## Summary

> 🚀 Upgrade your flush game with Sloan’s precision and sustainability!

## Quick Answers

- **What is this?** Sloan Regal A-37-A Commercial Urinal Diaphragm Assembly Kit 1.5 GPF, Black | Flush valve rebuild kit, Fits Regal Flushometers, Rubber, Brass, Genuine OEM part, Direct OEM replacement 3301037 by sloan
- **How much does it cost?** $55.31 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/13593101-sloan-regal-a-37-a-commercial-urinal-diaphragm-assembly-kit)

## 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

- • **Trusted Sloan Quality:** Genuine OEM part backed by a 3-year warranty to protect your investment.
- • **Precision Flush Every Time:** 1.5 gallons per flush ensures optimal water use without compromise.
- • **Seamless OEM Compatibility:** Fits Regal Flushometers perfectly for hassle-free installation and maintenance.
- • **Sustainability at Its Core:** Engineered to reduce water waste and lower operational costs sustainably.
- • **Durable Materials, Built to Last:** Natural rubber diaphragm and brass bypass for long-lasting, reliable performance.

## Overview

The Sloan Regal A-37-A Commercial Urinal Diaphragm Assembly Kit is a genuine OEM replacement designed for Regal Flushometers, delivering a precise 1.5 GPF flush. Crafted with durable natural rubber and brass components, it ensures reliable performance and water efficiency. This kit supports sustainability goals by minimizing water waste and comes with a 3-year warranty, making it the smart choice for professional-grade restroom maintenance.

## Description

desertcart.com: Sloan Regal A-37-A Commercial Urinal Diaphragm Assembly Kit 1.5 GPF, Black | Flush valve rebuild kit, Fits Regal Flushometers, Rubber, Brass, Genuine OEM part, Direct OEM replacement 3301037 : Tools & Home Improvement

## Features

- Plastic
- Made in the USA
- URINAL DIAPHRAGM ASSEMBLY: Our Regal urinal 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 urinal diaphragm assembly is specifically designed to work as a replacement for our line of Regal Flushometers (Clamshell # 33010044). Regal urinal diaphragm replacements come in 0.5 gpf, 1.0 gpf, and 1.5 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.
- DUAL PART NUMBER LISTING: This product is available under two part numbers: 3301037 and 33010044. Both are the exact same item with identical specifications - if you have been sourcing either part number, this listing covers both.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000UFW6XY |
| Best Sellers Rank | #20,678 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #2 in Urinal Replacement Parts |
| Brand Name | Sloan |
| Customer Reviews | 4.8 4.8 out of 5 stars (249) |
| Exterior Finish | Brass |
| Global Trade Identification Number | 00671254039438 |
| Included Components | kitchen-sink-installation-parts-and-kits |
| Inlet Connection Size | 1.5 inches |
| Inlet Connection Type | Standard Female NPT Connection |
| Item Dimensions | 3.3 x 5 x 7.5 inches |
| Item Type Name | 1.5 GPF Repair Kit |
| Item Weight | 3.52 ounces |
| Manufacturer | Sloan Valve Co. |
| Manufacturer Part Number | A-35-A |
| Manufacturer Warranty Description | 3 Year Limited Warranty |
| Material Type | Plastic |
| Model Number | 3301037 |
| Number of Items | 1 |
| Number of Pieces | 4 |
| Number of Ports | 2 |
| Outlet Connection Size | 1.5 inches |
| Outlet Connection Type | 1/2 female NPT |
| Size | 1.5 GPF |
| Thread Size | 1.5 inches |
| Thread Type | NPT |
| UPC | 671254039438 |
| Unit Count | 1 Count |
| Valve Type | relief valve,valve |

## Product Details

- **Brand:** Sloan
- **Exterior Finish:** Brass
- **Global Trade Identification Number:** 00671254039438
- **Inlet Connection Size:** 1.5 inches
- **Inlet Connection Type:** Standard Female NPT Connection
- **Item dimensions L x W x H:** 3.3 x 5 x 7.5 inches
- **Material:** Plastic
- **Number of Ports:** 2
- **Outlet Connection Size:** 1.5 inches
- **Outlet Connection Type:** 1/2 female NPT

## Images

![Sloan Regal A-37-A Commercial Urinal Diaphragm Assembly Kit 1.5 GPF, Black | Flush valve rebuild kit, Fits Regal Flushometers, Rubber, Brass, Genuine OEM part, Direct OEM replacement 3301037 - Image 1](https://m.media-amazon.com/images/I/61dc8JQoGEL.jpg)
![Sloan Regal A-37-A Commercial Urinal Diaphragm Assembly Kit 1.5 GPF, Black | Flush valve rebuild kit, Fits Regal Flushometers, Rubber, Brass, Genuine OEM part, Direct OEM replacement 3301037 - Image 2](https://m.media-amazon.com/images/I/71l0V+hFuwL.jpg)
![Sloan Regal A-37-A Commercial Urinal Diaphragm Assembly Kit 1.5 GPF, Black | Flush valve rebuild kit, Fits Regal Flushometers, Rubber, Brass, Genuine OEM part, Direct OEM replacement 3301037 - Image 3](https://m.media-amazon.com/images/I/61aloFM4pPL.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?

## Frequently Bought Together

- Sloan Regal A-37-A Urinal Diaphragm Assembly Kit 1.5 GPF - Natural Rubber Diaphragm with Brass Bypass | For use with Regal Flushometers | OEM Sloan Parts, 3301037
- 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 United States of America*
*Store origin: US*
*Last updated: 2026-08-12*