Simplex Parts New, reconditioned, hard to find, and discontinued Simplex fire alarm and clock system parts are available at a substantial cost savings ! Contact us now ! Call  ( 888 ) 557-0558 Email us with your part need at: Adenny@Lifesafetycom.com and we will supply you with pricing and availability, normally the same day ! Simplex parts are eight digits long and in the following format :  (example:4903-9219)  Circuit boards are six digits long and in the following format:  (example:556-880)  If you know the part number needed please provide this when contacting us. Contact us now ! Email us at: Adenny@Lifesafetycom.com   or Call us at:  ( 888 ) 557-0558   Life Safety Consultants of Michigan, Inc. 6670 Kalamazoo Ave SE,  # E-250 Grand Rapids, Michigan  49508 Phone #  ( 888 ) 557-0558 Fax #  ( 616 ) 656-1807