Description
The Watts LFN170-M3 (SKU 0559124) is a lead-free thermostatic temperature valve engineered for precise temperature regulation across a broad 90–180°F operating range. Designed for hydronic heating, domestic hot water, and commercial plumbing applications, this 3/4″ valve provides dependable, self-actuating temperature control without the need for external power — making it an efficient and low-maintenance solution for a wide range of building systems.
Key Features
- Lead-free (LF) construction for compliance with safe drinking water regulations
- 3/4″ connection size for straightforward installation in standard piping configurations
- Wide thermostatic operating range: 90–180°F (32–82°C)
- Self-actuating thermostatic element — no external power source required
- Suitable for hydronic heating systems, domestic hot water, and commercial plumbing
- Durable construction built to withstand demanding HVAC and plumbing environments
- M3 series design for reliable, long-service-life performance
Specifications
- Brand: Watts
- Model: LFN170-M3
- SKU: 0559124
- Connection Size: 3/4″
- Temperature Range: 90–180°F
- Lead-Free Compliant: Yes
Applications
- Hydronic heating and hot water distribution systems
- Commercial and residential plumbing temperature control
- Boiler system temperature regulation
- Mixing and diverting applications requiring thermostatic control
Trust Watts quality and the expertise of Jackson Systems to keep your HVAC and plumbing systems operating at peak performance. Order the Watts LFN170-M3 today.









