Watts F121592 1-1/4″ LFN241X-5 Lead-Free Zone Valve 150 PSI Cv 4.059

Description

Watts F121592 — 1-1/4″ LFN241X-5 Lead-Free Zone Valve

The Watts F121592 is a 1-1/4″ lead-free, normally-open, 2-way zone valve from the LFN241X series, engineered for reliable flow control in hydronic heating and cooling systems. Built to meet lead-free compliance standards, this valve is well-suited for potable water and closed-loop hydronic applications where material safety and long-term durability are essential.

Key Features

• Lead-free construction — compliant with lead-free installation requirements
• 1-1/4″ valve body size for medium-flow hydronic zone applications
• Normally-open (N.O.) configuration — opens when de-energized for fail-safe operation
• 150 PSI maximum working pressure rating
• Cv flow coefficient of 4.059 for accurate flow sizing and system design
• 2-way valve design for straightforward zone isolation and control
• Watts LFN241X-5 series — a trusted platform in commercial and residential hydronic systems

Typical Applications

• Hydronic heating and cooling zone control
• Radiant floor heating systems
• Fan coil unit supply and return piping
• Closed-loop building automation and HVAC water systems
• Lead-free compliant plumbing and mechanical systems

Specifications

• SKU: F121592
• Model: LFN241X-5
• Pipe Size: 1-1/4″
• Maximum Working Pressure: 150 PSI
• Flow Coefficient (Cv): 4.059
• Valve Type: 2-Way, Normally Open
• Construction: Lead-Free
• Brand: Watts