Description
The Watts F382821 (Model 740-1X) is a heavy-duty pressure relief valve engineered for reliable overpressure protection in hydronic heating systems, hot water boilers, and related plumbing applications. With a 1-1/4″ connection size, a 75 PSI set pressure, and an impressive relief capacity of 2,649,000 BTU/hr, this valve is built to handle demanding commercial and industrial system requirements.
Watts’ 740 Series relief valves are trusted throughout the HVAC and hydronic industry for their consistent performance, durable construction, and code-compliant design. The valve automatically opens to discharge excess pressure when system pressure exceeds the set point, protecting equipment and piping from potentially damaging overpressure events.
Key Features
- Model: Watts 740-1X
- Connection Size: 1-1/4″
- Set Pressure: 75 PSI
- Relief Capacity: 2,649,000 BTU/hr
- Designed for hydronic heating and hot water boiler systems
- Automatic pressure relief to protect system components
- Durable construction for long service life in commercial and industrial applications
- Watts 740 Series — a trusted name in pressure relief technology
Typical Applications
- Hot water boilers
- Hydronic heating systems
- Commercial and industrial heating equipment
- Pressure protection for piping and heat exchangers
Why Choose Watts Relief Valves?
Watts is a globally recognized leader in flow control products, delivering precision-engineered relief valves that meet stringent safety and performance standards. The 740 Series is a go-to solution for HVAC contractors and mechanical engineers who require dependable overpressure protection with straightforward installation.
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