Use a bulb well if you can remove a temperature bulb without draining the tank.
Figure 1. Bulb well for liquid immersion applications
| Part number | Dimensions | |||||
|---|---|---|---|---|---|---|
| A, in. (mm) | B, in. (mm) | C, in. (mm) | ||||
| WEL14A-601R | 7 9/16 | 192.0 | 1 13/16 | 46.0 | 0.430 | 10.9 |
| WEL14A-603R | 5 13/16 | 147.6 | 1 13/16 | 46.0 | 0.430 | 10.9 |