- Baxi Burnall 16" Ash Pan - Replacement Baxi Ashpan to fit Baxi 16" Burnall Fires - 16" (W)295MM X (D)220MM X (TAPER 245MM) HEIGHT 210MM PLEASE NOTE 16" REFERS TO THE WIDTH OF THE FIRE OPENING NOT THE SIZE OF THE ASHPAN. Image 5 shows the actual dimensions.