MOV Lightning/Power Surge Suppressor Kit for Chamberlain Circuit Boards and Safety Beams Availability Usually ships in 1-2 weeks. Sears Craftsman LiftMaster Chamberlain MOV Lightning/Power Surge Suppressor Kit for Chamberlain Circuit Boards and Safety Beams 41A5530-1 Sku: 41A5530-1 Price: $11.39 21DQuantity: Email a Friend Your friend's e-mail address : Your name: Your email address: Send me a copy?: Send HTML email?: Sears Craftsman LiftMaster Chamberlain MOV Lightning/Power Surge Suppressor Kit (MOV - Metal Oxide Varistor) To protect the safety sensors and logic boards from electrical storms and power surges. Use before a lightning strike or power surge occurs. Will decrease that chances of power surge or lightning strike shorting the receiver logic board for Chamberlain Liftmaster machines. Wiring Instructions: Attach MOV wires directly to motor unit terminals 2 & 3 (white & black) located on the receiver logic board. Note: Units with quick connect terminals, both bell wires must be twisted or connected together and reinserted using only one hole leaving the second hole for MOV wire. Route green ground wire to the chassis top. Attach wire to chassis with the self threading screw, using the existing hold as illustrated. Note: Screw drive units with side access dor, attach to the chassis hanging brackets with hardware provided. Note: - This product will not protect receiver logic board or safety sensors from nearby electric storms or lightning strikes, but from power surges caused by those elements.

Special Orders: All Special Order items require a 50% deposit of the total before ordering. Please call for lead times on Special Order items or request a quote by email or fax. Certain items such as, but not limited to, gate operators, telephone entry systems, card reader systems, access control systems, non-stock transmitters/receivers, any stock or non-stock item we consider to be a special order item, and/or any item being ordered specifically for you are considered a special order. All returns and cancellations within 30 days or exchanges within our 1-year warranty policy are subject to a 50% special order restocking fee. Warranty is void where evidence of misuse or abuse is present.