Description
Watts LFN241X-5 Lead-Free Temperature & Pressure Relief Valve
The Watts F121591 is a 1-1/4″ lead-free temperature and pressure (T&P) relief valve designed to provide critical overpressure and overtemperature protection for residential and commercial water heaters, boilers, and hydronic heating systems. Built to the trusted Watts LFN241X-5 series standard, this valve delivers dependable safety performance in demanding plumbing and hydronic applications.
Key Features
- Lead-free (LF) construction for compliance with low-lead potable water regulations
- 1-1/4″ connection size for high-capacity system installations
- 125 PSI pressure relief rating for robust overpressure protection
- 3,438,000 BTU/hr (3.438K) rated discharge capacity
- Dual-function temperature and pressure relief in a single valve
- Designed for water heaters, boilers, and hydronic heating systems
- Engineered to Watts’ rigorous quality and safety standards
Application
The LFN241X-5 T&P relief valve is ideal for use on residential and light commercial water heaters and hydronic boilers where a 1-1/4″ connection and 125 PSI pressure rating are required. The high BTU/hr discharge capacity of 3,438,000 BTU/hr makes it suitable for larger heating systems that demand reliable safety relief. Its lead-free body construction ensures compliance with applicable plumbing codes governing potable water systems.
Product Specifications
- SKU: F121591
- Model: LFN241X-5
- Brand: Watts
- Connection Size: 1-1/4″
- Pressure Rating: 125 PSI
- BTU/hr Capacity: 3,438,000 BTU/hr (3.438K)
- Construction: Lead-Free
- Valve Type: Temperature & Pressure (T&P) Relief Valve
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