Description
Watts 100XL Series Pressure Relief Valve — 3/4″ | 125 PSI | 100,000 BTU/hr
The Watts 0121346 (Model 100XL-8-125) is a high-quality pressure relief valve engineered for dependable overpressure protection in residential and light commercial hydronic heating systems and boilers. Designed to open automatically when system pressure exceeds the rated set point, this valve safeguards equipment, piping, and occupants from the dangers of over-pressurization.
Key Features
- Model: 100XL-8-125
- Connection Size: 3/4″ inlet
- Pressure Rating: 125 PSI (set pressure)
- Relief Capacity: 100,000 BTU/hr
- Watts 100XL series construction for long-lasting, reliable performance
- Automatic pressure relief to protect boilers and hydronic heating systems
- Compact design for easy installation in tight mechanical spaces
- Suitable for residential and light commercial hydronic heating applications
Application
The Watts 100XL-8-125 pressure relief valve is ideal for use on hot water boilers, hydronic heating systems, and related pressurized water heating equipment. It provides a critical last line of defense against excess pressure buildup, helping to prevent equipment damage and ensuring system safety and code compliance.
Why Choose Watts?
Watts is a globally recognized leader in flow control, water quality, and safety products. The 100XL series pressure relief valves are trusted by HVAC professionals for their consistent set-point accuracy, durable construction, and straightforward installation — making them a go-to choice for boiler and hydronic system protection.
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