Description
The Watts F121594 LFN241X-8 is a 1-1/4″ lead-free temperature and pressure (T&P) relief valve engineered to provide critical overpressure and overtemperature protection for water heaters, hydronic boilers, and hot water storage systems. Built to Watts’ exacting standards, this valve combines a robust lead-free brass construction with a high BTU discharge capacity, making it a trusted choice for residential and light commercial hydronic applications.
Key Features
- Lead-free brass body construction — compliant with low-lead content requirements for potable water systems
- 1-1/4″ NPT inlet connection for straightforward installation on standard water heater and boiler ports
- 125 PSI pressure relief rating — protects systems from dangerous overpressure conditions
- 3,438,000 BTU/hr discharge capacity — suitable for high-output water heating equipment
- Temperature and pressure dual-function relief in a single valve body
- ASME-rated design for compliance with national safety codes and standards
- Durable construction for long service life in demanding hydronic environments
Application
The LFN241X-8 is ideal for protecting residential and commercial water heaters, storage tanks, and hydronic boilers from exceeding safe operating limits. When system temperature or pressure rises beyond the valve’s set points, it automatically opens to discharge water and relieve the hazardous condition — preventing equipment damage, system failure, or catastrophic rupture.
Why Choose Watts T&P Relief Valves
Watts is a globally recognized leader in flow control and water quality products. Their T&P relief valves are engineered to meet ASME and ANSI standards, providing installers and building owners with confidence that safety-critical components will perform reliably when needed most. The lead-free LFN series is specifically designed to meet the requirements of the Reduction of Lead in Drinking Water Act.
Specifications
- Brand: Watts
- Model: LFN241X-8
- SKU: F121594
- Inlet Size: 1-1/4″ NPT
- Pressure Rating: 125 PSI
- BTU Discharge Capacity: 3,438,000 BTU/hr
- Construction: Lead-Free Brass
- Valve Type: Temperature & Pressure (T&P) Relief Valve
- Compliance: Lead-Free / ASME Rated
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