Finding a reliable flanged tailpiece for 1-1/4 inch drain connections helps ensure a leak-free, easy-install under-sink setup. This guide reviews top-rated 1-1/4 inch tailpieces from reputable brands, highlighting brass construction, durability, installation ease, and compatibility with common trap systems. Each option emphasizes straightforward direct connections and sturdy seals to prevent leaks and odors.
| Brand | Length | Diameter | Material |
|---|---|---|---|
| Keymark | 12 in | 1-1/4 in OD | Brass |
| OPERMAXER | 12 in | 1-1/4 in OD | Brass |
| ZM | 8 in | 1-1/4 in | Chrome |
| ecoartheating | 12 in | 1-1/4 in OD | Brass |
| Tandefio | 12 in | 1-1/4 in OD | Brass |
Flanged Sink Tailpiece 1-1/4″ Brass 12″ – Keymark

The Keymark flanged tailpiece measures 1-1/4 inches in diameter (OD) with a 12-inch length, and is constructed from solid brass for strength and durability. Its robust design supports reliable, long-lasting connections to trap assemblies and waste pipes, reducing the risk of leaks and maintenance. The piece is suitable for standard 1-1/4 inch drain systems commonly found under kitchen and bathroom sinks.
OPERMAXER Flanged Tailpiece 1-1/4″ Brass 12″ Suspension

OPERMAXER offers a 12-inch brass extension tailpiece with a 1-1/4 inch diameter. It can be shortened if needed and features a slim 0.7 mm thickness, designed for high-temperature resistance and universal connection to standard traps. The single-sided flanged edge supports straightforward installation in under-sink plumbing configurations.
ZM Heavy-Duty Flanged Tailpiece 1-1/4″ 8″ Chrome

ZM provides a compact 8-inch, 1-1/4 inch tailpiece in 20-gauge chrome brass tubular construction. It is designed for commercial-grade durability and includes a direct connection for easy installation, making it a solid choice for tight under-sink spaces or standard kitchen and bathroom setups requiring reliable support for traps and drains.
ecoartheating Flanged Tailpiece 1-1/4″ 12″ Brass

This slip-joint extension tube from ecoartheating is solid brass, 1-1/4 inch OD with a 12-inch length. It includes a rubber washer and threaded slip joint nut for a seal that minimizes leaks. The product is designed to extend tailpieces toward traps and walls, offering a simple, reliable installation path for under-sink plumbing.
ecoartheating Heavy Duty 1-1/4″ Tailpiece 12″ Chrome

This heavy-duty 1-1/4″ tailpiece from ecoartheating features a 12-inch chrome-plated brass construction. It serves as an immersion tube to extend siphons and bottle traps, with a direct connection and rubber washer for easy, reliable installation. Its durability supports everyday use in kitchens and bathrooms where waste and odor management matters.
OPERMAXER Flanged Tailpiece 1-1/4″ Brushed Gold 12″

OPERMAXER’s brushed gold 1-1/4 inch tailpiece is 12 inches long with a brass core and high-temperature resistance. It features a single-sided flanged edge, designed for universal 1-1/4 inch connections, and can be shortened if needed. The finish provides a stylish alternative for fixtures that emphasize a warm metallic tone in the kitchen or bathroom sink area.
Tandefio Flanged Tailpiece 2 Pcs 1-1/4″ Brass 12″

Tandefio offers a double-pack of 1-1/4 inch brass tailpieces with a 12-inch length and additional nuts and washers for installation. The black variant balances durability with aesthetics, and the set provides a ready-to-install solution for extending siphons and traps in under-sink installations, ensuring robust seals and compatibility with standard 1-1/4 inch connections.
EZ-FLO 1-1/4 x 8″ Chrome Tailpiece

EZ-FLO provides a flexible, chrome-plated brass tailpiece measuring 1-1/4 inches in diameter and 8 inches in length. It is designed for quick installation with a direct connection and heat resistance, making it suitable for many kitchen and bathroom under-sink configurations where a standard trap setup is used. The 22-gauge construction emphasizes durability while remaining easy to handle.
Buying Guide
- Material and durability: Brass head tailpieces are typically long-lasting and resistant to corrosion, while chrome finishes offer a bright, easy-to-clean appearance.
- Length and compatibility: Match the tailpiece length to the distance between the sink drain and the trap. Common options include 8, 12, and custom-shortened lengths. Ensure the inner diameter fits a standard 1-1/4 inch connection.
- Flanged edge design: A single-sided flanged tailpiece helps align with standard traps and slip joints, improving seal reliability.
- Installation components: Many options ship with rubber washers, slip-joint nuts, and washers. Confirm that these components are included to prevent leaks and simplify setup.
- Installation environment: Consider heat resistance, especially under hot-water usage areas, and choose a model rated for high-temperature exposure if needed.
- Aesthetic considerations: For exposed installations, finishing options like brushed gold or chrome can complement sink fixtures and hardware.
- Maintenance and leaks: Look for designs that emphasize simple disassembly and replacement seals to address leaks without replacing the entire tailpiece.
- Warranty and brand reliability: Choosing products from known plumbing brands can improve confidence in fit, durability, and customer support.