Watts 40XL-4-1 Temperature and Pressure Relief ValveThe Watts 40XL 4 1 Temperature and Pressure Relief Valve provides essential safety for commercial water heaters. Designed with automatic reseating and a self closing lever, it reliably releases excess temperature and pressure to protect equipment and personnel. This valve features a bronze body with 1 inch inlet and outlet connections (male thread x female threaded), a set pressure range of 150210 PSI, a temperature rating of 210F, and a pressure

Pair it with compatible Schneider Electric actuators and accessories to achieve streamlined valve automation and improved system response

Use it as a compact dry-out thermostat for reliable heat management without complexity

Spring-Return Actuation provides fail-safe shutoff and fast response

makes this switch an ideal choice for reliable pneumatic-to-electrical control in commercial systems

natural/ manufactured propane

Whether you’re upgrading an existing circuit or designing a new product

Durability: Built for harsh HVAC environments with durable sensing element

Simple installation with standard mounting and connectors

Leaf-class MROSCS valve spring

and operates in 0–95% RH non-condensing environments

50 ft length

Design: compact