1. Check the bottom of the box, you should see the model number near the bar code.
2. Check the back or bottom of the main unit, it should have a rating label that shows your model number.
3. Check your manual. Your product’s model number is listed on the front cover of your instruction booklet.
CW900UK Series
CW500UK Series
CW200UK Series
CW100UK Series
C100UK Series
C60000UK Series
C50000UK Series
C30000UK Series
C20000UK Series