WARNING! Dear customer, Due to a processing error in manufacturing, a number of units built from 15 September 2017 to 15 February 2018 have the potential for a propane leak at the gas control valve. Specific fridge models N304M.3 and N504M.3F with a serial number within the range 27381864 and 28220540 the gas control valve pressure test point nut may not be correctly tightened. This may cause a gas leak which could lead to a fire. We apologize for any inconvenience this may cause, but safety comes first. We ask you now to go through the following steps to validate you product. Follow these steps to check if your fridge is safe: Step 1Is your fridge a Thetford N304M or N504M?*N304MN504M Step 2What is the serial number of your fridge?*You can find the serial number on the identification label inside your fridge, see example. Step 3Please confirm if the information below is correct.Model*Serial Number*Please confirm The information above is correct.