---
product_id: 13593101
title: "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"
brand: "sloan"
price: "$1244"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/13593101-regal-a-37-a-urinal-diaphragm-assembly-kit-1-5
store_origin: MX
region: Mexico
---

# 1.5 GPF precision flush Natural rubber diaphragm + brass bypass Made in USA, Sloan OEM quality 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

**Brand:** sloan
**Price:** $1244
**Availability:** ✅ In Stock

## Summary

> 🚽 Flush Smarter, Save Water, Stay Regal

## Quick Answers

- **What is this?** 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 by sloan
- **How much does it cost?** $1244 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/13593101-regal-a-37-a-urinal-diaphragm-assembly-kit-1-5)

## 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

- • **Precision Water Efficiency:** Optimized 1.5 gallons per flush to reduce waste and lower utility bills.
- • **Sloan OEM Certified Quality:** Genuine Sloan parts guarantee peak performance and protect your commercial restroom investment.
- • **Durable Dual-Material Design:** Natural rubber diaphragm paired with brass bypass ensures reliable, long-lasting performance.
- • **Sustainability Meets Reliability:** Smart design limits water consumption while maintaining powerful flushes—because saving water is the new luxury.
- • **Seamless Regal Flushometer Compatibility:** Specifically engineered for Regal Flushometers for hassle-free, perfect fit replacements.

## Overview

The Regal A-37-A Urinal Diaphragm Assembly Kit is a premium replacement part designed for Regal Flushometers, featuring a natural rubber diaphragm and brass bypass for precise 1.5 GPF flushing. Made in the USA and Sloan OEM certified, it ensures durability, water efficiency, and seamless compatibility, extending the life of commercial restroom systems while promoting sustainability.

## Description

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

## 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. 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.
- 1. 5 GPF
- 5. 7 LPF
- Use for Older Siphon Jet and some blow out urinals
- Consists of: Diaphragm (A156A), Guide (A163A), Relief Valve (A19AU), and Disc (A15A)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Plastic |
| Brand | Sloan |
| Item dimensions L x W x H | 3.3 x 5 x 7.5 inches |
| Exterior Finish | Brass |
| Inlet Connection Size | 1.5 Inches |
| Inlet Connection Type | Standard Female NPT Connection |
| Outlet Connection Type | 1/2 female NPT |
| Number of Ports | 2 |
| Outlet Connection Size | 1.5 Inches |
| Global Trade Identification Number | 00671254039438 |
| Manufacturer | Sloan Valve Co. |
| UPC | 671254039438 |
| Part Number | A-35-A |
| Item Weight | 3.52 ounces |
| Product Dimensions | 3.3 x 5 x 7.5 inches |
| Item model number | 3301037 |
| Is Discontinued By Manufacturer | No |
| Size | 1.5 GPF |
| Color | Black |
| Style | Urinal |
| Shape | shape |
| Item Package Quantity | 1 |
| Number of Handles | 1 |
| Included Components | kitchen-sink-installation-parts-and-kits |
| Batteries Included? | No |
| Batteries Required? | No |
| Warranty Description | 3 Year Limited Warranty |

## Product Details

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

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/61dc8JQoGEL.jpg)
![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 - Image 2](https://m.media-amazon.com/images/I/71l0V+hFuwL.jpg)
![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 - 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 Mexico*
*Store origin: MX*
*Last updated: 2026-01-22*