3/8" Mixing Valve,Compression Thermostatic,Rough Bronze Lead Free

Under-Sink Thermostatic Control – LFUSG-B 3/8" Lead-Free Mixing Valve

Designed to prevent accidental scalding in public and private lavatory applications, the LFUSG-B Thermostatic Mixing Valve delivers precise temperature control directly at the point of use. Built to meet ASSE 1070 performance criteria, this valve ensures tempered water delivery between 80°F and 120°F, making it ideal for commercial washrooms, residential bathrooms, and ADA-compliant installations.

Engineered for Controlled Hot Water Delivery

The LFUSG-B incorporates a double throttling mechanism to accurately balance hot and cold supply lines. It includes integral 40-mesh stainless steel strainers to protect internal components and maintains a minimum flow rate of 0.25 GPM, supporting today’s low-flow fixtures.

Performance Features

• Lead-Free Brass Body – Certified to meet NSF/ANSI 372 standards for low-lead content.
• Adjustable Outlet Temperature – Factory preset for convenience; field-adjustable between 80°F and 120°F.
• Compact Design – Ideal for confined under-sink spaces; dimensions approximately 3-3/16" W x 3-3/8" H.
• Pressure Rating: 30 to 150 psi static (125 psi max dynamic working pressure).
• Temperature Accuracy: ±3°F under normal conditions.

Technical Specifications

• Model: LFUSG-B
• Connection Type: 3/8" Compression (Male)
• Certifications: ASSE 1070, IAPMO, cUPC Listed
• Flow Rate: 0.25 GPM minimum to maintain thermal control
• Temperature Range: 80°F to 120°F (27°C to 49°C)

Installation and Application

Designed for fast and straightforward installation, this valve mounts below individual lavatories and connects directly to the faucet supply lines. A tamper-resistant cap helps protect field-set temperature adjustments. Although simple to install, professional contractors should verify compliance with local code requirements, especially in healthcare, educational, and commercial facilities where tempered water delivery is critical.

Ideal Use Cases

• Lavatory sinks in commercial restrooms and office spaces
• Residential bathroom upgrades for enhanced thermal safety
• Applications requiring compliance with ADA or UPC code requirements for anti-scald protection

Protect End-Users and Simplify Compliance

The LFUSG-B Thermostatic Mixing Valve offers a practical solution for thermal protection at the fixture level. Contractors appreciate its compact form factor, reliable performance, and fast installation. For any setting where end-user safety is a priority, this valve ensures consistent tempered water control and long-term reliability under demanding conditions.