Need to replace the O-rings to your Weldless kettle spigot? These are the set of replacement o-rings for the weldless kettle fittings.
This High Temp Silicone O-Ring. Make your weldless fittings leak proof!
Thin o-rings tend to work best on flat surfaces such as the insides of rectangular cooler mash tuns, and thick o-rings are usually best for curved surfaces like the insides of vessels.