---
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: "B/.53"
currency: PAB
in_stock: true
reviews_count: 13
category: "Sloan"
url: https://www.desertcart.com.pa/products/13593101-regal-a-37-a-urinal-diaphragm-assembly-kit-1-5
store_origin: PA
region: Panama
---

# 1.5 GPF precision flush Natural rubber diaphragm + brass bypass Made in USA 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:** B/.53
**Availability:** ✅ In Stock

## Summary

> 💧 Flush Smarter, Not Harder — Upgrade to Sloan Regal Precision!

## 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?** B/.53 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/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

- • **Sloan Genuine Assurance:** Backed by Sloan’s 3-year warranty and OEM quality for reliable, sustainable restroom solutions.
- • **DIY-Friendly Installation:** Easy to install yourself—no plumber needed—saving time and maintenance costs.
- • **Precision Water Efficiency:** Optimized 1.5 gallons per flush reduces waste without compromising performance.
- • **Durable Dual-Material Design:** Natural rubber diaphragm paired with brass bypass ensures long-lasting, leak-free operation.
- • **Seamless Regal Compatibility:** Specifically engineered for Regal Flushometers for hassle-free, perfect fit replacements.

## Overview

The Sloan Regal A-37-A Urinal Diaphragm Assembly Kit delivers a reliable 1.5 GPF flush using a natural rubber diaphragm and brass bypass, designed exclusively for Regal Flushometers. Made in the USA, this OEM part ensures precise water control, reduces waste, and extends the life of your commercial restroom fixtures with easy DIY installation and Sloan’s trusted 3-year warranty.

## Description

desertcart.com: 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 : Tools & Home Improvement

Review: Stop Continuous Flow - Stop Continuous Flow and was fixed in ten minutes
Review: Perfect fit - The product fit perfectly and operates as original the Quality is very good, very easy to install can do it yourself no plumber needed ..

## 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 |
|---------------|-------|
| ASIN | B000UFW6XY |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #12,430 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #14 in Toilet Flush Valves |
| Brand | Sloan |
| Color | Black |
| Customer Reviews | 4.7 4.7 out of 5 stars (401) |
| Date First Available | July 25, 2007 |
| 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 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Item Weight | 3.52 ounces |
| Item dimensions L x W x H | 3.3 x 5 x 7.5 inches |
| Item model number | 3301037 |
| Manufacturer | Sloan Valve Co. |
| Material | Plastic |
| Number of Handles | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 1.5 Inches |
| Outlet Connection Type | 1/2 female NPT |
| Part Number | A-35-A |
| Product Dimensions | 3.3 x 5 x 7.5 inches |
| Shape | shape |
| Size | 1.5 GPF |
| Style | Urinal |
| UPC | 671254039438 |
| Warranty Description | 3 Year Limited Warranty |

## 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

![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)

## 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

### ⭐⭐⭐⭐⭐ Stop Continuous Flow
*by I***R on December 9, 2025*

Stop Continuous Flow and was fixed in ten minutes

### ⭐⭐⭐⭐⭐ Perfect fit
*by M***S on January 5, 2025*

The product fit perfectly and operates as original the Quality is very good, very easy to install can do it yourself no plumber needed ..

### ⭐⭐⭐⭐⭐ Sloan Regal
*by F***N on September 11, 2025*

It works perfectly.

## 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 Panama*
*Store origin: PA*
*Last updated: 2026-01-27*