{"product_id":"1157-902-york-coleman-defrost-control-circuit-board","title":"1157-902 York Coleman Defrost Control Circuit Board","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis product may contain shelf wear, have minor cosmetic imperfections, or have been tested. All our certified pre-owned products are backed by our return policy. We offer free shipping on all items. Please contact us for discounts or if you have any questions. We look forward to doing business with you!\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e- OEM York\/Coleman\/Luxaire\/Source 1 defrost control circuit board\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e- Part number: 1157-902- Alternative part number: S1-331-01975-102- Compatible with Source 1 1 HP heat pump systems- Controls defrost cycle initiation and termination based on liquid line and ambient temperature- Monitors 24 VAC transformer secondary voltage- Provides low voltage protection for heat pump components- Features defrost temperature sensor interface (DFT terminals)- Includes reversing valve control for heating mode operation- Contactor power management capability- Defrost cycle termination at approximately 65-70 degrees coil temperature- Adjustable defrost cycle length timer functionality- TEST terminal feature for manual defrost cycle activation during installation\/service\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":43672854069357,"sku":"12045","price":196.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_5d93293c-6d1f-4d16-8c60-e6b11c827091.jpg?v=1763340678","url":"https:\/\/willardshvacsupply.com\/products\/1157-902-york-coleman-defrost-control-circuit-board","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}