To monitor low-current loads

ensuring the heat exchanger is properly tempered and preventing the blower from circulating cold air

Optimized Airflow: Precision-angled blades ensure the correct static pressure to engage the pressure switch every cycle

High-performance filter drier desiccant provides superior moisture and acid capacity for long-term compressor protection

which typically use a 3/8" stem

Johnson Controls VA-3100-500 Linkage Kit Els PW 17895 To monitor low-current loadsJohnson Controls VA 3100 500 Linkage Kit, Used with VA 3100 Series Actuators, 2 1 2" 4" VB 3752, VB 3970, VB 4322, VG2231, VG2431 and VG2831 Vales