Product description

Honeywell 121371B is a copper well assembly with a 3/8" bulb, 3/4" NPT thread, 3" insertion length, and 1-1/2" insulation depth -- houses temperature-sensing bulbs for aquastat and immersion control applications, includes mounting clamp.

Specs

• Component Type: Well Assembly
• Thread Size: 3/4" NPT
• Bulb Size: 3/8" x 3"
• Insertion Length: 3"
• Insulation Depth: 1-1/2"
• Shell ID: 3/8"
• Material: Copper
• Pressure Rating: 255 PSI @ 300°F
• Manufacturer: Honeywell / Resideo
• Manufacturer Part Number: 121371B

Direct replacement models

Honeywell/Resideo 121371B.

You'll receive the OEM part or a warrantied, direct-fit equivalent that meets or exceeds OEM spec.