Description
The Watts 0555176 is a 3/4″ MAXIFLO LF600 Lead-Free Check Valve engineered for dependable one-directional flow control and backflow prevention in hydronic heating, plumbing, and mechanical piping systems. Built under Watts’ LF600 MAXIFLO series, this valve features a lead-free construction that meets stringent safe-drinking-water compliance requirements, making it suitable for potable water and hydronic applications alike.
Key Features
- 3/4″ connection size for versatile system integration
- MAXIFLO design for optimized, low-restriction flow performance
- LF600 series — lead-free construction compliant with safe drinking water regulations
- Reliable check valve mechanism prevents backflow and reverse flow
- Suitable for hydronic heating, plumbing, and mechanical piping systems
- Durable materials designed for long service life in demanding applications
Application
The Watts LF600 MAXIFLO check valve is ideal for use in residential and light commercial hydronic heating systems, domestic water supply lines, and mechanical piping where backflow prevention and lead-free compliance are required. Its compact design allows for straightforward installation in tight spaces.
Why Choose Watts LF600?
Watts is a globally recognized leader in flow control and water quality products. The LF600 MAXIFLO series reflects their commitment to safety, efficiency, and regulatory compliance — giving contractors and engineers confidence in every installation.







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