International Environmental 71491054 Thermostat 30067439-890 The Watts 0792039 is a

The Watts 0792039 is a 3/4 inch LF288A anti-siphon vacuum breaker engineered for high-performance protection in non-continuous pressure applications

Designed as a rugged HVAC replacement part

this model features an integrated junction box for secure conduit connections

though installing with a vent limiting device may require an upright orientation to meet local codes

Common Questions & Technical Support How do I test the 26B1C0E during a maintenance call

International Environmental 71491054 Thermostat 30067439-890 The Watts 0792039 is aThe International Environmental 71491054 Thermostat is a high precision, horizontal mount control designed for vertical and horizontal fan coil units. As a direct replacement for the 70289334 thermostat, this unit provides automatic changeover (Auto CO) functionality, allowing the system to switch between heating and cooling modes independently based on the 50 90F setpoint. Built for versatility in commercial HVAC applications, it supports a wide