Resideo - Honeywell Home 121371A Aquastat Sensor Well Assembly

Resideo - Honeywell Home 121371A Aquastat Sensor Well Assembly delivers precise immersion sensing for boiler controls.

This immersion, capillary type sensor well provides durable copper construction and a secure 1/2 inch threaded connection for reliable installation.

Key specifications include a bulb size of 3/8 inch diameter by 3 inches in length, insulation depth of 1-1/2 inches, capillary diameter 5/64 inch, and a pressure rating of 255 PSI at 300°F. The assembly includes a mounting clamp for fast, stable mounting in tight equipment spaces.

• Immersion sensor well for accurate boiler temperature sensing
• Capillary design allows flexible placement and routing
• Copper body for lasting durability and corrosion resistance
• 1/2" threaded connection ensures broad compatibility with standard fittings
• Insulation depth 1-1/2" helps minimize heat loss
• Capillary diameter 5/64" supports compact installations
• 255 PSI @ 300°F rating for demanding boiler environments
• Includes a mounting clamp for secure, straightforward installation