Description
Watts 40XL-Z2-150 Temperature & Pressure Relief Valve
The Watts 40XL-Z2-150 (SKU 0121415) is a high-quality temperature and pressure relief valve engineered to provide dependable overpressure and overtemperature protection for residential and light commercial water heaters, boilers, and hydronic heating systems. With a 3/4″ connection size, 150 PSI pressure rating, and 210°F temperature setting, this valve automatically opens to safely discharge excess pressure or heat before dangerous conditions can develop.
Key Specifications
- Model: 40XL-Z2-150
- SKU: 0121415
- Connection Size: 3/4″
- Pressure Rating: 150 PSI
- Temperature Setting: 210°F
- Valve Type: Temperature & Pressure (T&P) Relief Valve
- Brand: Watts
Features & Benefits
- Dual-function protection against both excess temperature and excess pressure in a single valve
- Automatic actuation — opens instantly when set temperature or pressure thresholds are exceeded
- 3/4″ connection for straightforward installation on standard water heater and boiler ports
- 150 PSI pressure rating suitable for a wide range of residential and light commercial applications
- 210°F temperature setting provides a reliable safety margin for hot water systems
- Watts 40XL series is a trusted industry standard for T&P relief protection
- Durable construction designed for long service life and consistent performance
Typical Applications
- Residential and commercial water heaters
- Hydronic boilers and heating systems
- Hot water storage tanks
- Pressure vessels requiring T&P overpressure protection
Why Choose Watts?
Watts is a globally recognized leader in flow control and water quality products. The 40XL series T&P relief valves are engineered to meet rigorous safety standards, giving contractors and building owners confidence that their systems are protected against potentially hazardous overpressure and overtemperature events.
