Immersion wells, compression fittings and element holders are used with Aquastat® Temperature Controllers to hold the temperature sensing bulb in the controlled medium. Immersion wells and compression fittings also prevent leakage of the controlled medium.

• Size: 1/2"
• Insertion Length: 3"
• Shell ID: 3/8"
• Bulb Size: 3/8" x 3"
• Insulation: 1-1/2"
• Capillary Diameter: 5/64"
• Material: Copper

• Immersion wells and compression fittings are available to fit a 1/2-14 or 3/4-14 NPT tapping with a range of insulation depths
• Immersion wells and compression fittings are available in a variety of lengths and dia
• Immersion wells and compression fittings are available in a variety of materials, to suit the application
• Materials include - brass, copper, stainless steel, mild steel or monel
• Element holders support the capillary and bulb or an averaging element in duct applications
• Bulb shields protect the sensing bulb from sun and weather with the bulb installed outdoors
• Accessories, including mounting clips, heat conductive compounds, waste nuts, a pipe strap and a well adapter are available for mounting sensing bulbs in various applications
• Immersion wells allow heat transfer while protecting the sensing bulb from contact with the controlled medium
• Immersion wells permit removal of the sensing bulb for testing or replacement without draining the system
• Compression fittings seal the boiler and allow bulb insertion directly into the controlled medium
• 3 in L insertion, 3/8 in shell, 1-1/2 in D insulation and 5/64 in dia capillary
• 1/2-14 NPT well spud