The Honeywell/Resideo 123870A/B is a high-quality copper well assembly engineered to house temperature sensing elements—particularly immersion bulbs used with Honeywell Aquastat controllers like the L4006 and L4081. This durable design offers a ¾″ NPT connection, 3″ insertion depth, and 1½″ insulation barrier, enabling quick bulb replacement without draining the system.
Specifications:
- Application: Well Assembly
- Used With: L4006; L4081
- Materials: Copper
- Insertion Length (in.): 3 in.
- Well Spud Size (in.): 3/4 in. – 14 NPT
- Well Spud Size (mm): 19 mm – 14 NPT
- Shell (internal diameter): 3/8 in.
- Insulation Depth (in.): 1 1/2 in.
