A missing or pinched gasket is the #1 cause of leaks, even if the nut is tight.
📍 Since "rar" was mentioned in your query, if you are looking for a digital manual/file (like a .rar archive), please ensure you are downloading from the official Bestway/Lay-Z-Spa support site to avoid malware. To provide more specific help: Are you currently fixing a leak ? 19743 P13l rar
Do not use tools (like pliers); hand-tightening is sufficient to create a waterproof seal. Testing Remove the internal stopper caps. Check for any slow drips. A missing or pinched gasket is the #1
inflatable hot tub (typically manufactured by ). Specifically, it is the Inlet/Outlet Nut used to secure the heater pump to the liner. 🛠️ Assembly & Installation Guide Preparation Do not use tools (like pliers); hand-tightening is
Identify the two threaded connection points on the exterior of the liner. 19743 P13L nut over the pipe coming from the heater pump.