Copper Well for Aquastat| Bulb size: 3/8" x 3" (10 mm x 76 mm). | Well size: 3" (76 mm) insertion 1 1/2" NPT | Materials: Copper | Spud Thread Size: 1/2" x 14 NPT | Insertion Length: 3" | Insulation Depth (in.): 1 1/2"| Shell ID : 3/8" | Capillary Diameter: 5/64"| Boiler |Heating Systems| Solar hot water systems
