HONEYWELL S688A 1007 AIR FLOW SWITCH SPST SWITCH MAKES AT 250 FPM / BREAKS AT 75 FPM. I’M NOW RETIRED AND SELLING OFF MY REMAING INVENTORY. THE LISTINGS ARE FOR NEW BUT OLD STOCK ITEMS. MOST ITEMS HAVE BEEN ON THE SHELF OR IN SERVICE TRUCKS FOR A LONG WHILE, THEREFORE, PASSED ANY REMAINING MANUFACTURER’S WARRANTY PERIOD. THESE ARE EXACT REPLACEMENT NEW PARTS FOR ONES WITH LIKE PART NUMBER AND SHOULD LAST AS LONG OR LONGER THAN YOUR ORIGINAL. THE ORIGINAL BOX AND OR PACKAGE MAY BE DISTRESSED OR NON EXISTENCE. PLEASE LOOK CAREFULLY AT THE PHOTOS AND DESCRIPTION AND ASK QUESTIONS BEFORE PURCHASING.