Description
The Watts 0156734 40XL-Z2 is a 3/4″ Temperature and Pressure (T&P) Relief Valve rated at 150 PSI, engineered to provide dependable safety protection for residential and light commercial water heaters and storage tanks. As a trusted name in plumbing and hydronic safety, Watts designs the 40XL series to automatically discharge water when system temperature or pressure exceeds safe operating limits, helping prevent catastrophic equipment failure.
Key Features
- 3/4″ inlet connection for straightforward installation on standard water heater ports
- 150 PSI pressure rating for reliable overpressure protection
- Dual-function T&P (Temperature and Pressure) relief in a single valve
- 40XL-Z2 series construction built for long-term durability and consistent performance
- Automatic discharge action activates when temperature or pressure thresholds are exceeded
- Designed to meet ANSI/NSF and ASME standards typical of Watts T&P relief valves
- Suitable for residential water heaters and light commercial hot water storage applications
Application
The Watts 40XL-Z2 T&P Relief Valve is ideal for use on potable water heaters, storage tanks, and hydronic systems where code-compliant pressure and temperature relief protection is required. Its 3/4″ connection size and 150 PSI rating make it a versatile choice for a wide range of standard installations.
Product Specifications
- Brand: Watts
- SKU: 0156734
- Model: 40XL-Z2-150#
- Connection Size: 3/4″
- Pressure Rating: 150 PSI
- Valve Type: Temperature & Pressure (T&P) Relief Valve
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