Ensure the bulb is mounted at the 10 or 2 o'clock position on the suction line and is properly insulated from ambient air temperatures

Effective DPST switching logic enables simultaneous control of multiple system components

Proper installation is critical for performance

If combustion flames spill out of the heat exchanger—often due to a cracked heat exchanger

Schneider Electric (Erie) AT33A030 Actuator mario Ensure the bulb is mountedThe Schneider Electric (Erie) AT33A030 Actuator is a robust, 24Vac 3 wire floating actuator engineered for precise control within closed hydronic heating and cooling systems. Capable of modulating fluid flow in fan coil units, VAV re heat, and unit ventilators, this non spring return actuator is a standard in building automation for technicians who require reliable fluid management without a time out feature. Its three wire floating signal allows for