Replacement Outer Pot Lid Only: Suits 3L & 4.5L

This is a replacement part for the Billyboil's insulated outer pot. It features a vacuum-sealed construction, and the same size lid fits both the 3L and 4.5L Billyboil.

A replacement outer pot lid is generally only required if it was badly damaged or misplaced.

Here's how you can test the performance of your Billyboil:

• In the inner pot, bring two litres of water to a boil on your stovetop, then place it inside the outer pot and close the lid.
• After eight hours, open the lid and measure the temperature with a thermometer - it should be over 60°C.

For more tips and tricks, see our thermal cooker recipe guide.