Product Catalog Product Catalog > defrost timer  Total 54 items Showing 19   Prev   Next  click for larger photo defrost timer Name︰ defrost timer Model No.︰ DTB-904 Product Description Defrost Defrost Frequency Time Part No. (Hours) (Mins.) DTB904 8 21 DTB900 6 25 DTB902 8 20 DTB905 8 32 DTB903 6 25 DTB901 6 21 Product Image  Total 54 items Showing 19   Prev   Next  Related Products digital thermometer air conditioner bracket duct accessories potential relay Build your FREE website Find Made in China flex Products !