Hand-tighten the nut clockwise onto the liner's threaded port.
A missing or pinched gasket is the #1 cause of leaks, even if the nut is tight.
Ensure the spa is empty or use on the inside of the liner to prevent water from leaking while you work.
If the nut feels difficult to turn immediately, back it off and restart to avoid stripping the plastic threads.
If it leaks, slightly loosen the nut, ensure the gasket is centered, and re-tighten. 💡 Key Maintenance Tips
Loosen these nuts before storage to prevent the plastic from becoming brittle or cracking due to pressure and temperature changes.
The code refers to a specific replacement part for a Go to product viewer dialog for this item.
Identify the two threaded connection points on the exterior of the liner. 19743 P13L nut over the pipe coming from the heater pump.