--- product_id: 56681866 title: "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" brand: "sloan" price: "€ 69.14" currency: EUR in_stock: true reviews_count: 9 category: "Sloan" url: https://www.desertcart.hr/products/56681866-sloan-regal-a-38-a-water-closet-diaphragm-assembly-kit store_origin: HR region: Croatia --- # 3.5 GPF precision flow Easy installation fit Made in USA quality 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 **Brand:** sloan **Price:** € 69.14 **Availability:** βœ… In Stock ## Summary > 🚽 Upgrade your flush game with Sloan’s precision-engineered reliability! ## Quick Answers - **What is this?** 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 by sloan - **How much does it cost?** € 69.14 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/56681866-sloan-regal-a-38-a-water-closet-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 - β€’ **Flush Like a Pro:** 3.5 gallons per flush ensures efficient, eco-friendly performance without compromise. - β€’ **Plug & Play Repair:** Designed for seamless installation with compression connectorsβ€”no plumber needed. - β€’ **Built to Last Stateside:** Proudly manufactured in the USA, meeting top industry standards and certifications. - β€’ **OEM Certified Excellence:** Genuine Sloan part guarantees perfect compatibility with Regal flushometers. - β€’ **Durable Dual-Material Build:** Natural rubber diaphragm paired with brass bypass for long-lasting reliability. ## Overview The Sloan Regal A-38-A Water Closet Diaphragm Assembly Kit is a genuine OEM repair kit designed for Regal flushometers, delivering a precise 3.5 gallons per flush. Featuring a natural rubber diaphragm and brass bypass valve, it ensures durable, leak-free operation. Easy to install with compression fittings and proudly made in the USA, this kit meets multiple industry standards for plumbing excellence. ## Description Toilets run like new with this Sloan a-38-a closet repair kit it includes the following:^relief valve disc segment diaphragm guide assembly. Review: Genuine Sloan part - Just what I needed to repair a toilet at an office building. Actual Sloan part. Be sure you order the correct part #, It can take some research to find the right one if you're not a plumber, I'm not. Review: Toilet flushing now - Was exactly what I needed in the time I needed it. ## Features - Relief valve - Easily Fits and this is easy to install - Made in United states ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B008MG33GW | | Best Sellers Rank | #555,732 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #839 in Toilet Flush Valves | | Brand | Sloan | | Brand Name | Sloan | | Connector Type | Compression | | Customer Reviews | 4.7 out of 5 stars 80 Reviews | | Exterior Finish | Brass | | Included Components | Plumbing Fixtures, Toilets and Bidets, urinals | | Inlet Connection Size | 0.5 inches | | Inlet Connection Type | Compression | | Item Dimensions | 3.25 x 3.25 x 2.75 inches | | Item Type Name | 3.5 GPF Repair Kit | | Item Weight | 0.27 g | | Item dimensions L x W x H | 3.25 x 3.25 x 2.75 inches | | Manufacturer | Sloan Valve Co. | | Manufacturer Part Number | A-38-A | | Material | Natural Rubber, Brass | | Material Type | Natural Rubber, Brass | | Model Number | A38A | | Number of Items | 1 | | Number of Packs | 1 | | Number of Pieces | 1 | | Number of Ports | 1 | | Outlet Connection Size | 0.5 inches | | Outlet Connection Type | FNPT | | Set Name | 3.5 GPF Repair Kit | | Size | 3.5 GPF | | Specification Met | ANSI B1.20.1, ANSI B16.11, API 609, ASSE, ASTM, CE, CSA, MSS SP 80, NSF, OSHA, UL, ULC | | Thread Size | 0.5 inches | | Thread Type | NPT | | Unit Count | 1 Count | | Valve Type | relief valve | ## Product Details - **Brand:** Sloan - **Global Trade Identification Number:** 00076335026268 - **Inlet Connection Size:** 0.5 Inches - **Inlet Connection Type:** Compression - **Item dimensions L x W x H:** 3.25 x 3.25 x 2.75 inches - **Material:** Natural Rubber, Brass - **Number of Ports:** 1 - **Outlet Connection Size:** 0.5 Inches - **Outlet Connection Type:** FNPT - **Specification Met:** ANSI B1.20.1, ANSI B16.11, API 609, ASSE, ASTM, CE, CSA, MSS SP 80, NSF, OSHA, UL, ULC ## Images ![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 - Image 1](https://m.media-amazon.com/images/I/61xoMJ2Qp1L.jpg) ![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 - Image 2](https://m.media-amazon.com/images/I/61YDkHKZKKL.jpg) ![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 - Image 3](https://m.media-amazon.com/images/I/61t8J2S5AeL.jpg) ## Questions & Answers **Q: can you tell me the weigth of this product in lbs?** A: It weighs less than half of a pound **Q: Whats the difference between an a-37-a and an a-38-a** A: The A-37-A has a flush volume of 1.5 gpf and is for a urinal whereas the A-38-A has a 3.5 gpf and is for use with a water saver water closet. Hope this is helpful. **Q: Are these actual Sloan valves or an alternate brand?** A: This is a Sloan replacement part from Sloan Valve Company, not an different brand. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Genuine Sloan part *by G***B on January 13, 2026* Just what I needed to repair a toilet at an office building. Actual Sloan part. Be sure you order the correct part #, It can take some research to find the right one if you're not a plumber, I'm not. ### ⭐⭐⭐⭐⭐ Toilet flushing now *by H***R on February 25, 2026* Was exactly what I needed in the time I needed it. ### ⭐⭐⭐⭐ Fast delivery *by K***R on November 12, 2025* Worked good and fast delivery. ## Frequently Bought Together - Sloan Valve Company A38A Sloan A-38-A Closet Repair Kit, Gpf-3301038, 3.5 GPF, Black - 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 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/56681866-sloan-regal-a-38-a-water-closet-diaphragm-assembly-kit](https://www.desertcart.hr/products/56681866-sloan-regal-a-38-a-water-closet-diaphragm-assembly-kit) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-19*