Brass Faucet Cartridge Huashan Lever Pair 0.5in M4 Screw Set

Description

Product Overview

The Huashan brass faucet cartridge pair is engineered to deliver dependable performance for a wide range of residential and light‑commercial faucet repairs. Constructed from solid brass, each cartridge offers excellent corrosion resistance and a glossy finish that blends seamlessly with most fixture styles. The 0.5 inch (12.7 mm) lever‑type design incorporates a precision‑machined ceramic disc valve, providing smooth, quarter‑turn operation and precise water flow control. A rubber O‑ring positioned at the base creates a watertight seal, preventing drips and leaks even after repeated use. The cartridge’s 20‑spline configuration on a 7.6 mm spline diameter ensures a secure connection to the faucet body, while the included M4 screw offers a sturdy, threaded attachment that simplifies installation. With an item thickness of 53 mm and a compact round shape, the cartridges fit comfortably within standard faucet housings without requiring extensive modification. The pair comes packaged with two identical units, allowing you to replace both hot and cold sides simultaneously or keep a spare on hand for future maintenance. Rated at 4.5 stars by over five hundred verified buyers, these cartridges have earned a reputation for long‑lasting durability and reliable operation, making them a popular choice among DIY enthusiasts and professional plumbers alike.
Beyond its functional attributes, the cartridge’s brass composition offers natural antimicrobial properties that inhibit bacterial growth within the valve cavity, contributing to healthier water delivery. The glossy finish not only enhances visual appeal but also provides a protective barrier against oxidation, ensuring the component retains its appearance even after years of exposure to moisture and cleaning agents. The internal ceramic disc is engineered with tight tolerances, delivering consistent flow rates and reducing the likelihood of pressure fluctuations that can affect downstream fixtures. Compatibility testing confirms that the cartridge fits seamlessly with most standard ½‑inch (G 1/2) faucet bodies, including popular models from leading manufacturers, eliminating the need for custom adapters. For installers seeking a balance of performance and cost‑effectiveness, this cartridge represents a well‑rounded solution that meets both technical specifications and aesthetic expectations.

Usage

The cartridges are ideal for replacing worn or leaking components in kitchen sink faucets, bathroom vanity mixers, and utility tub fixtures. Homeowners tackling a DIY repair will find the lever‑type operation intuitive; a simple quarter‑turn opens or closes the water flow, allowing quick testing of the seal before final tightening. Professional plumbers appreciate the standardized ½‑inch (G 1/2) connection, which matches the majority of supply lines in residential installations, reducing the need for adapters or custom fittings. Because the brass construction tolerates both hot and cold water temperatures, the cartridges can be used in single‑handle mixers that blend hot and cold streams, as well as in separate hot‑only or cold‑only valves. The included M4 screw provides a firm attachment point for the cartridge’s threaded collar, ensuring the lever remains stable during frequent adjustments. In environments where water quality varies, the ceramic disc’s precision machining helps maintain consistent flow despite mineral buildup, while the O‑ring’s elasticity compensates for minor surface imperfections. For renovation projects, the glossy brass finish complements modern chrome or brushed nickel fixtures, adding a subtle aesthetic touch without requiring additional decorative elements. The pair’s compact size allows installation in tight spaces beneath the sink, and the lever’s low profile minimizes interference with other plumbing components. Whether you are fixing a persistent drip, upgrading an outdated faucet, or installing a new fixture, these cartridges deliver reliable performance with minimal effort.
Regular maintenance of the cartridge extends its service life. Periodically inspect the O‑ring for signs of wear or deformation and replace it if necessary to maintain a tight seal. Cleaning the ceramic disc with a soft brush and mild detergent removes mineral deposits that can impede flow, especially in areas with hard water. If the faucet exhibits reduced water pressure after installation, verify that the screw is properly tightened and that the cartridge is fully seated; a misaligned unit can cause partial blockage. For best results, schedule a routine check every six months to ensure the lever mechanism operates smoothly and the brass housing remains free of corrosion. These simple upkeep steps help prevent unexpected leaks and keep the faucet performing at peak efficiency.
When installing the cartridges, it is recommended to shut off the water supply and relieve any residual pressure by opening the faucet. After removing the old cartridge, clean the mounting area to remove mineral deposits, then place the new brass unit, ensuring the O‑ring sits evenly in its groove. Tighten the M4 screw by hand until firm, then give a final quarter‑turn with a screwdriver to secure the lever. Test the faucet for leaks by turning the water back on slowly and observing the joint; any minor seepage can be corrected by adjusting the screw or reseating the O‑ring. This straightforward process typically takes under fifteen minutes, allowing homeowners to complete the repair without professional assistance.

Why Choose Us

Huashan has built a reputation for delivering high‑quality plumbing components that combine precision engineering with durable materials. The brass faucet cartridges are manufactured in a controlled environment where each unit undergoes rigorous testing for dimensional accuracy, leak resistance, and functional performance before leaving the factory. This commitment to quality ensures that every cartridge meets the expectations of both DIY consumers and professional installers, reducing the risk of premature failure and the need for costly callbacks. In addition to the robust construction, Huashan provides comprehensive after‑sales support, including a dedicated technical helpline and online resources such as installation videos and detailed product manuals. Customers can rely on a clear warranty policy that covers manufacturing defects for a full year, giving peace of mind that the investment is protected. The company’s supply chain is optimized for fast fulfillment, with most orders shipped within 24 hours and tracking information provided to keep buyers informed of delivery status. By choosing Huashan, you benefit from a brand that prioritizes reliability, transparency, and customer satisfaction, making the purchase of these brass faucet cartridges a risk‑free decision. Moreover, the product’s compliance with industry standards such as ISO 9001 and ANSI ensures compatibility with a wide range of faucet models, simplifying the selection process for installers. The combination of premium materials, meticulous craftsmanship, and responsive customer service creates a value proposition that stands out in a crowded market, helping you achieve long‑term performance without compromising on cost.
Huashan’s commitment to quality is reinforced by its adherence to ISO 9001 certification, which mandates systematic quality management and continuous improvement across all production stages. Each batch of cartridges undergoes batch‑level pressure testing to verify leak‑free performance under simulated operating conditions, and the results are documented for traceability. The company also invests in research and development to refine the ceramic disc geometry, achieving smoother operation and reduced wear over time. Customers benefit from a transparent warranty that covers any manufacturing defects for twelve months, and the support team is available to assist with troubleshooting, part replacement, or technical queries. By choosing a Huashan product, you align with a supplier that values sustainability, offering recyclable packaging and responsibly sourced brass, thereby supporting environmentally conscious building practices.

Key Features

• Solid brass construction resists corrosion and provides a long‑lasting, glossy finish that matches most faucet styles.
• Precision‑machined ceramic disc delivers smooth quarter‑turn operation and consistent water flow, reducing wear and pressure fluctuations.
• Integrated rubber O‑ring creates a watertight seal, preventing leaks and extending the service interval.
• Includes M4 screw and lever head for easy, tool‑free installation, suitable for DIY and professional use.
• Comes as a pair of matching cartridges, allowing simultaneous replacement of hot and cold sides for balanced performance.

FAQ

Can these cartridges be used with both single‑handle and double‑handle faucets?

Yes, the Huashan brass cartridge is designed to fit the standard ½‑inch (G 1/2) inlet that is common to both single‑handle mixers and traditional double‑handle faucets. The lever head provides a clear visual cue for operation, making it easy to control water flow on a single‑handle unit, while the same cartridge can be installed on each side of a double‑handle system to replace the hot and cold valves individually. This versatility eliminates the need to purchase separate parts for different faucet styles.

How do I know when the O‑ring needs replacement?

The O‑ring is the primary seal that prevents water from escaping around the cartridge base. Over time, exposure to water pressure and temperature changes can cause the rubber to harden, crack, or flatten. If you notice a slow drip after the cartridge has been installed, or if the faucet continues to leak even after tightening the M4 screw, inspect the O‑ring for visible signs of wear. Replacing the O‑ring is simple: remove the cartridge, slide out the old ring, and install a new one of the same size before re‑assembly.

Are the cartridges compatible with water filtration systems?

The brass cartridge itself does not contain any plastic components that could be degraded by filtered water, making it fully compatible with most in‑line filtration units. Because the cartridge’s inlet and outlet threads conform to the standard ½‑inch size, it can be installed downstream of a filter without affecting flow rate, provided the filter’s pressure rating is within the normal operating range of residential faucets. If you use a high‑pressure filtration system, verify that the pressure does not exceed the cartridge’s design limits to avoid premature wear.

What warranty does Huashan offer for this product?

Huashan provides a one‑year limited warranty that covers any manufacturing defects in the brass body, ceramic disc, or O‑ring. The warranty does not apply to damage caused by improper installation, misuse, or external factors such as corrosion from aggressive cleaning chemicals. To claim warranty service, retain the original packaging and proof of purchase, then contact Huashan’s customer support team with the serial number and a description of the issue. The company will arrange a replacement part or a full refund, depending on availability and the nature of the defect.

Is any special tool required to tighten the M4 screw?

No special tools are needed; a standard Phillips‑head screwdriver fits the M4 screw head perfectly. For a more secure fit, you can use a small hex key or a torque screwdriver set to the recommended torque of 0.5 Nm, but this is optional. The lever design allows you to tighten the screw by hand until it is snug, then give a final quarter‑turn with the screwdriver to lock the cartridge in place. This simple process ensures a reliable seal without the need for specialized equipment.

Choose the Huashan brass faucet cartridge pair for a dependable, easy‑to‑install solution that delivers lasting performance and peace of mind in every plumbing project.