System Protection: Integrated low-voltage monitoring prevents contactor chatter and potential hardware damage during fluctuating power events

Two-stage valves require two separate spring adjustments to manage high and low fire cycles

The ASCO 323-480 Rebuild Kit is a comprehensive maintenance solution designed specifically for 3-Way Solenoid Valves within the 8320 series

This CR Optima Series model features a robust internal motor protection system and sweat connections

Industrial-Grade Contacts: Featuring 1/4-inch quick-connect terminals for secure electrical continuity and resistance to vibration

Siemens Building Technology 332-2973 Actuator L99H008 System Protection: Integrated low-voltage monitoringThe Siemens 332 2973 Actuator is a rugged, No. 4 pneumatic damper actuator designed for reliable control of HVAC dampers and mixing box units. Engineered with a durable all metal body and an ozone resistant EPDM rolling diaphragm, this piston type actuator provides consistent performance in demanding commercial environments. It features an 8 13 psi nominal spring range and a 4 inch stroke, making it the primary direct replacement for MCP 1140 1520