Best Garbage Disposal Mounting Screws and Replacement Kits for 1-1/2″ Drains
Finding reliable mounting screws and elbow assemblies for garbage disposals is essential to prevent leaks and ensure a secure fit. This article reviews top 1-1/2″ drainage elbow and flange kits that include mounting screws, gaskets, and related hardware. Each product is selected for compatibility with common disposal brands and straightforward installation. Read on to compare features, materials, and installation considerations to pick the right kit for your kitchen sink setup.
Summary of Selected Products
| Product | Brand | Key Feature | Amazon Link |
|---|---|---|---|
| Mr. Scrappy Garbage Disposal Drain Elbow Replacement Kit | Mr. Scrappy | Includes 1.5″ elbow, flange, gasket, and two screws; durable PVC | https://www.amazon.com/dp/B0BVPLT831?tag=homimproveer-20 |
| ULTECHNOVO Universal Fit Wash Basin Mounting Screws Set | ULTECHNOVO | Effortless install with screws and washers; universal mounting | https://www.amazon.com/dp/B0DVLBT5Y8?tag=homimproveer-20 |
| Garbage Disposal Flange Kit, Stainless Steel | Ketofa | 4.5″ flange with splash guard; 304 stainless; includes wrench | https://www.amazon.com/dp/B09NQ3TCLV?tag=homimproveer-20 |
| Garbage Disposal Drain Elbow Kit For Moen, Waste King | Mingxiong | 1.5″ elbow, flange, gasket; includes two screws | https://www.amazon.com/dp/B0F93ZMHVY?tag=homimproveer-20 |
| Saillong 2 Set Garbage Disposal Drain Elbow Kit | Saillong | Includes elbow, flange, gasket, and screws; universal fit | https://www.amazon.com/dp/B0F21TYQC8?tag=homimproveer-20 |
Mr. Scrappy Elbow Replacement Kit

The Mr. Scrappy kit is designed for 1-1/2″ disposal drains and includes an elbow, flange, gasket, and two mounting screws. The components are made from durable PVC to resist corrosion and provide a reliable seal in typical kitchen environments. It is positioned as a straightforward replacement option for common disposals, with emphasis on compatibility and ease of installation.
ULTECHNOVO Universal Mounting Screws Set

ULTECHNOVO’s mounting screws set is described as easy to install for wall-hung washbasins, with washers included. While not a dedicated disposal elbow kit, its mounting hardware can support secure connections for various sink plumbing assemblies, contributing to a robust installation when used with compatible fixtures. The sleek design aims to improve bathroom aesthetics alongside functional mounting strength.
Ketofa Stainless Steel Flange Kit

This stainless steel flange kit includes a splash guard and a robust mounting system suitable for 3-bolt configurations. The kit is described as rust-proof and durable with a high-density stainless steel flange and nitrile rubber splash guard. It is designed to handle daily kitchen use and provide a leak-resistant seal when installed with compatible disposals.
Mingxiong Elbow And Gasket Kit

Designed for compatibility with Moen, Waste King, and Whirl-Away disposals, this kit includes a 1.5″ elbow, flange, gasket, and two screws. The components claim sturdy, corrosion-resistant construction and an overall fit for common 1-1/2″ drain holes. Installation is described as straightforward, with emphasis on secure, leak-free operation.
Saillong Drain Elbow Replacement Kit

The Saillong kit presents a two-piece disposal elbow set with a 1.5″ elbow, flange, gasket, and two screws. The design emphasizes universal compatibility across various garbage disposal brands and a leak-resistant assembly, suitable for DIY installation and ongoing performance in typical kitchen plumbing.
CaoXiong 1.5″ Elbow Replacement Kit

Compatible with various brands, the CaoXiong kit includes a 1.5″ elbow, flange, gasket, and two screws. The kit’s emphasis is on compatibility with 1-1/2″ drain systems and durable construction to withstand regular kitchen use. Users can expect a straightforward replacement process with a focus on secure fit and leak prevention.
KRAUS WasteGuard Strainer and EZLock Mount

The KRAUS WasteGuard strainer/stopper is designed to fit with EZLock mounting assemblies for compatible disposal units. While primarily a strainer, it contributes to preventing items from entering the disposal, reducing clogs and damage. It offers a low-profile stainless steel finish to complement modern kitchen aesthetics and provides a durable, rust-resistant option for daily use.
Buying Guide: Key Purchase Considerations And Comparisons
Material and compatibility: Most mounting screws and elbows are made from PVC or stainless steel. Check your disposal model and drain hole size (commonly 1-1/2″) to ensure compatibility with elbows, flanges, and gaskets. Stainless steel flanges resist corrosion and are ideal for heavy-use kitchens.
Leak prevention: Look for tight-seal gaskets and splash guards. A two-screw or four-screw mounting system can provide a more secure, leak-free connection, especially under heavy usage or frequent water exposure.
Included hardware: Some kits include mounting washers, mounting rings, and a wrench. Having these on hand can simplify installation and reduce the need for extra hardware purchases.
Ease of installation: Universal fit kits and kits labeled as “easy install” can save time, especially for DIY homeowners. If you’re replacing an existing kit, verify that the included parts align with current plumbing hardware to avoid rework.
Durability and corrosion resistance: Prioritize high-density stainless steel for flanges and splash guards to endure daily washing and hot water exposure. PVC elbow components are lightweight and resistant to corrosion but may be less durable over long periods in high-stress areas.
Brand and warranty considerations: Reputable brands with clear installation instructions and warranty coverage can provide peace of mind. Reading product reviews can reveal real-world compatibility and installation tips.
Cost and availability: Replacement kits vary in price based on material (PVC vs. stainless steel) and included components. Consider whether you need just an elbow and gasket or a full flange kit with a splash guard and mounting hardware for your setup.