and it stays closed until a pulse is sent to the "unlatch" wires

By accurately monitoring the pilot flame

as long as the line size is 7/8 inch ODF

This knob is designed for use with Johnson Controls/Penn T26

the sampling tube must be ordered separately based on the duct's width to ensure the sensor receives adequate airflow for accurate detection

iO HVAC Controls BAL-C Controller 321142-301 and it stays closed untilThe iO HVAC Controls BAL C is a specialized handheld remote control positioner engineered for commissioning and adjusting BAL Series balancing dampers. This professional grade battery powered controller eliminates the need for permanent field wiring or external power sources, allowing technicians to perform remote adjust motorized balancing in hard to access areas such as finished ceilings or restricted duct runs. By utilizing a standard 9VDC power