Description
Watts LF474A Lead-Free Pressure Relief Valve — 3/4″, 125 PSI
The Watts 0369011 is a 3/4″ LF474A series lead-free pressure relief valve rated at 125 PSI, engineered to provide dependable overpressure protection in hydronic heating systems, plumbing applications, and water supply lines. The “LF” designation confirms lead-free construction, meeting the requirements of low-lead compliance standards for potable water systems.
Key Features
- 3/4″ connection size for versatile installation compatibility
- 125 PSI (125#) pressure relief rating for safe system overpressure protection
- Lead-free (LF) construction — compliant with low-lead regulations for potable water applications
- LF474A series design built to Watts’ proven quality and performance standards
- Suitable for hydronic heating systems, boilers, and plumbing water lines
- Automatic pressure relief to protect system components from dangerous pressure buildup
Application
The Watts LF474A relief valve is ideal for use in residential and light commercial hydronic heating systems, water heaters, and pressurized plumbing systems where reliable overpressure protection is required. Its lead-free body construction makes it appropriate for installation on potable water systems in compliance with current plumbing codes.
Specifications
- SKU: 0369011
- Brand: Watts
- Model: LF474A
- Connection Size: 3/4″
- Pressure Rating: 125 PSI (125#)
- Construction: Lead-Free (LF)







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