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Alarms & Accessories 2016

spacer and screws included culus 75°c 167°f cat ms-42 $4.95 each roller-ball switch seco-larm® enforcer sm-4302-lq/w white normally-closed .. roller-ball switch circuit is open when ball is extended from housing 1/4 travel .. closed switch circuit is open when ball is extended from housing 1/4