Description
Watts LF601 Lead-Free Brass Pressure Reducing Valve — 1/2″
The Watts 10180-4 is a 1/2″ lead-free brass LF601 pressure reducing valve (PRV) engineered to automatically reduce high incoming water pressure to a safe, steady downstream level. Ideal for residential and light commercial plumbing and hydronic systems, this valve protects downstream piping, fixtures, and equipment from the damaging effects of excessive pressure.
Why Lead-Free Brass?
Constructed from lead-free (LF) brass alloy, the LF601 meets the requirements of NSF/ANSI 61 and NSF/ANSI 372 for use in potable water systems. This ensures compliance with federal and state lead-free mandates, making it a safe choice for drinking water applications.
Key Features
- Lead-free brass body construction — compliant with NSF/ANSI 61 & 372
- 1/2″ connection size for easy installation in standard plumbing lines
- Integral strainer screen protects the valve seat from debris
- Adjustable pressure setting for flexible system configuration
- Compact, single-union design simplifies installation and serviceability
- Suitable for potable water, plumbing, and hydronic heating applications
- Watts LF601 series — a trusted name in pressure management
Typical Applications
- Residential water service entry points
- Commercial plumbing pressure regulation
- Hydronic heating system supply lines
- Protection of water heaters, boilers, and fixtures from high-pressure damage
Product Specifications
- Brand: Watts
- Model: LF601
- SKU: 10180-4
- Connection Size: 1/2″
- Body Material: Lead-Free Brass
- Compliance: NSF/ANSI 61, NSF/ANSI 372 (Lead-Free)









