Watts LF40XL-5-3/4" Temperature and Pressure Relief ValveWatts LF40XL 5 3 4" Temperature and Pressure Relief Valve delivers reliable, automatic reseating protection for commercial water heaters. This lead free, cast brass valve combines precise temperature and pressure relief with rugged durability for demanding installations. Designed for 3 4" inlet and 3 4" outlet connections with end connections: male thread x female thread, it operates within a set pressure range of 150210 PSI and a temperature rating

continuous valve positioning

Variable-speed operation for precise airflow and energy efficiency

Priced per door

Engineered for compatibility with standard actuation signals

helping minimize downtime and deliver steady hot water when you need it most

this valve features a die-cast aluminum body and a NEMA 4 enclosure to withstand harsh environments while maintaining consistent performance

making upgrades quick and straightforward for facility teams

efficient heat distribution

The unit includes necessary electrical connections and mounting compatibility

The Diaphragm 01-13 Reverse variant delivers tight seals and smooth actuation

Designed to replace UM15-10B7

Mounting: Multi-Poise