Description
The Watts F121560 is a 2-inch LF174A series lead-free relief valve engineered for high-capacity hydronic heating, boiler, and hot water system applications. With an 80 PSI set pressure and a rated capacity of 8,215,000 BTU/hr, this valve is designed to protect pressurized systems from dangerous overpressure conditions, automatically discharging excess pressure to maintain safe operating levels.
Key Features
- Lead-free (LF) construction for compliance with low-lead plumbing regulations
- 2-inch valve size for high-flow, large-capacity system installations
- 80 PSI factory-set relief pressure for precise overpressure protection
- 8,215,000 BTU/hr rated discharge capacity for commercial and industrial applications
- Automatic pressure relief operation — no external power required
- Durable brass body construction for long service life in demanding environments
Product Specifications
- Brand: Watts
- SKU: F121560
- Model: LF174A
- Valve Size: 2 inch
- Set Pressure: 80 PSI
- BTU Capacity: 8,215,000 BTU/hr
- Lead-Free: Yes
Applications
- Commercial and industrial boiler systems
- Hydronic heating systems
- High-capacity hot water heating equipment
- Pressurized water systems requiring overpressure protection
The Watts LF174A series is a trusted solution for contractors and engineers who require dependable, code-compliant pressure relief in large-scale heating and plumbing systems. The lead-free design ensures compliance with applicable federal and state low-lead content requirements for potable water and heating system applications.
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