T&S Brass 012443-40 Spring Check Eterna Cartridge Without Handle, RTC (Hot)

The T&S Brass 012443-40 is a 1/4-turn compression Eterna cartridge engineered for right-to-close (RTC) hot water faucet handles, serving as a genuine OEM replacement part for professional foodservice plumbing applications. Its integrated spring check mechanism actively prevents cross-flow between hot and cold water supplies, protecting system integrity in high-demand commercial kitchen environments. Designed for universal compatibility, it fits all T&S faucet lines, simplifying maintenance and minimizing downtime. Rated for pressures from 20 to 125 psi and temperatures from 40 to 140 degrees F, this cartridge is built for reliable performance across a wide range of operating conditions. Certified to ASME A112.18.1/CSA B125.1, NSF 61-Section 9, and NSF 372, it meets the most stringent safety and performance standards in the industry.