this kit is specifically compatible with the Honeywell VR8200

this switch trips due to restricted airflow

and function for all 1/2" to 2" VB-7xxx globe valves

The System Sensor ST-10 is a heavy-duty metal sampling tube engineered specifically for HVAC duct smoke detection in large-scale commercial air handling systems

York S1-024-27632-001 Pressure Switch this kit is specifically compatibleThe York S1 024 27632 001 Pressure Switch is a critical safety component designed for specific HVAC pressure monitoring applications. This factory authorized part is engineered with a setpoint of 0. 4" WC (Water Column) and utilizes a Single Pole Normally Open (SPNO) internal contact configuration. Unlike standard switches, this unit is built to close on a fall in pressure, ensuring precise control and system protection during negative pressure