Resideo - Honeywell Home 121371A Aquastat Sensor Well Assembly

Aquastat Sensor Well Assembly; Type Immersion, Capillary; Bulb Size 3/8 Inch Diameter x 3 Inch Length; Thread Size 1/2 Inch Threaded; Material Copper; Insulation Depth 1-1/2 Inch; Capillary Diameter 5/64 Inch; Pressure Rating 255 PSI at 300 Deg F; Includes Mounting Clamp