Description
The Watts 0121453 140X-5 is a 3/4-inch pressure and temperature relief valve engineered for dependable overpressure and overtemperature protection in residential and light commercial hydronic heating systems. Rated at 150 PSI and 1,438,000 BTU/hr, this valve is designed to automatically discharge when system pressure or temperature exceeds safe operating limits, safeguarding boilers, water heaters, and associated piping from potentially dangerous conditions.
The Watts 140X series is a trusted solution among HVAC and plumbing professionals, offering consistent performance and code-compliant safety relief in a compact, easy-to-install package.
Key Features
- 3/4″ connection size for straightforward installation on standard hydronic systems
- 150 PSI pressure rating provides robust overpressure protection
- 1,438,000 BTU/hr relief capacity suitable for residential and light commercial applications
- Automatic actuation opens valve when pressure or temperature exceeds set limits
- Durable construction built to withstand demanding hydronic system environments
- Designed for use on boilers, water heaters, and hydronic heating equipment
Specifications
- Brand: Watts
- SKU / Part Number: 0121453
- Model: 140X-5
- Connection Size: 3/4″
- Pressure Rating: 150 PSI (150#)
- Relief Capacity: 1,438,000 BTU/hr
- Application: Hydronic heating, boilers, water heaters
Why Choose the Watts 140X Series?
Watts is a globally recognized leader in flow control and water quality products. The 140X series relief valves are engineered to meet the rigorous demands of hydronic heating systems, providing peace of mind that your equipment is protected against overpressure events. Whether you’re servicing an existing system or installing new equipment, the Watts 140X-5 delivers the reliability and performance that HVAC professionals depend on.
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