Which actuators are compatible with the AV-400

common failure points in multi-stage heating systems

Synchronized System Feedback: Internal end switches eliminate the need for external relays when sequencing fans or verifying damper actuator status

this kit allows for precise mechanical travel limitation when dampers must maintain a minimum air circulation point

Lochinvar & A.O. Smith 100208179 Limit Switch Refrigerant Which actuators are compatible withThe Lochinvar & A. O. Smith 100208179 is a critical safety component designed for high performance commercial and residential hydronic systems. This 110 230F Auto Limit Switch provides essential boiler high limit protection by monitoring internal temperatures and automatically breaking the electrical circuit if the system exceeds the calibrated threshold. Engineered for heavy duty applications, this fixed temperature thermal switch ensures the heating