While the 3/8" x 5" copper bulb can be used for air sensing

With NBR seals ensuring a tight shut-off and long service life

Which actuators are compatible with the B317 CCV

Broad Compatibility: Serves as a genuine Lennox replacement for multiple brands including Armstrong

Cross-referenced with Grainger items 25CC62 and 25CC66

Utica-Dunkirk 29197 Limit Switch 328140-751 While the 3/8" x 5"The Utica Dunkirk 29197 Limit Switch is a critical safety component engineered for precise thermal regulation in hydronic heating systems and various industrial applications. Also recognized by the identical part number OL29197, this L150 20F limit switch functions as a primary safety control, monitoring water or air temperatures to prevent overheating conditions. Designed for professionals, this high limit switch features a robust zinc die cast