Mounting with a packing nut - PENN Controls - LIT-121071 - A19ZBC-10C - A19ZBC-12C - A19ZBC-6C - Electromechanical Temperature Control - A19 Control for Hot Water Immersion

For closed tank applications without a bulb well, use the FTG13A-600R packing nut.

1. Put the parts over the support tube section of the element.
2. Place the bulb in the tank.
3. Install the 1/2 in. NPT adapter in the tank opening and tighten it.
4. Screw the packing nut with the retaining washers and packing into the adapter.
   Figure 1. Part No. FTG13A-600R packing nut assembly.