It features a 5-inch diameter body and a 1/2-inch by 2-inch shaft with a flat to prevent slippage of the furnace blower fan blade

maintaining a tight knife-edge seal when backseated for reliable long-term performance

the Johnson Controls VG7000 series is designed for serviceability

Once the original seal is broken

As a direct replacement for HKN-9320-557-1 and HKN-9320

Honeywell C7027A1049 Flame Detector 322838-752 It features a 5-inch diameterWhen you're out in the field dealing with industrial burner assemblies, you need a C7027A1049 Flame Detector that provides precise ultraviolet flame detection without the nuisance of false signals. This Honeywell Minipeeper is the industry standard for monitoring coal, gas, and oil fired burners. Engineered for a seamless fit, it mounts directly onto a 1 2 inch sighting pipe using its integral collar and includes a 1 2 inch NPT spud connector for