Description
The Watts F556019 LFN24X-6 is a 1-inch lead-free thermostatic mixing valve engineered to deliver reliable, accurate hot water temperature control in commercial and residential plumbing and hydronic systems. Designed to protect against scalding and thermal shock, this valve automatically blends hot and cold water supplies to maintain a consistent, safe outlet temperature — even when supply pressures or temperatures fluctuate.
Built to Watts’ exacting lead-free standards, the LFN24X-6 complies with low-lead content requirements for potable water applications, making it suitable for use in schools, hospitals, healthcare facilities, hotels, and multi-family residential buildings. The 150/210 designation reflects the valve’s operating temperature parameters, supporting high-temperature hot water supply systems while delivering tempered outlet water at safe, user-defined set points.
Key Features
- Lead-free construction — compliant with low-lead potable water regulations
- 1-inch connection size for straightforward integration into standard piping systems
- Thermostatic mixing technology maintains consistent outlet temperature despite supply fluctuations
- 150/210 FS temperature configuration — factory set for reliable out-of-the-box performance
- Designed for scald protection and thermal shock prevention
- Suitable for commercial and residential hot water tempering applications
- Durable, corrosion-resistant internal components for long service life
Typical Applications
- Domestic hot water tempering at point of use or point of distribution
- Healthcare, hospitality, and institutional facilities
- Multi-family and commercial plumbing systems
- Hydronic heating systems requiring controlled mixed water temperatures
- Compliance with ASSE 1017 thermostatic mixing valve standards
Product Specifications
- Brand: Watts
- SKU / Part Number: F556019
- Model: LFN24X-6
- Connection Size: 1 inch
- Temperature Configuration: 150/210 FS (Factory Set)
- Lead-Free: Yes
- Series: LFN24X
