Where to find your Marley, Qmark, or Berko model numberSelect heater type… Wall HeaterBaseboard HeaterUnit HeaterWall Heater1. Take the grille cover off the heater, locate the grey sticker2. The model number is located at the top of the sticker3. Use the search below to find replacement parts and units Enter Model or Part Number Baseboard Heater1. Locate the grey sticker beneath the element2. The model number is located at the bottom of the grey sticker3. Use the search below to find replacement parts and units Enter Model or Part Number Unit Heater1. Locate the grey sticker on the back of the heater2. The model number is located at the top of the grey sticker3. Use the search below to find replacement parts and units Enter Model or Part Number