Automatic Recovery: The auto-reset feature eliminates the need for manual resets after temporary high-limit conditions

this limit control switch is typically utilized in the 24V safety string but is rated for standard pilot duty applications found in York gas furnaces and package units

and multi-stage heating systems requiring a normally open contact

Can I use this 40VA transformer if my original part was rated for 30VA

ZoneFirst ZDS-30X10 Damper 30067439-890 Automatic Recovery: The auto-reset featureThe ZoneFirst ZDS 30X10 is a heavy duty rectangular zone damper designed for professional HVAC airflow management. Built with a sturdy extruded aluminum frame and parallel blades, this side mount damper is engineered for insertion into the 10 inch side of a 30" x 10" duct. It features a high torque 24VAC synchronous motor (Model MSS) that operates in a power closed spring return open configuration, ensuring a fail safe open position during power loss