{"title":"Universal Defrost Controls","description":null,"products":[{"product_id":"universal-heat-pump-defrost-control-board-timer-demand-replacement","title":"Universal Heat Pump Defrost Control Board — Timer\/Demand Replacement","description":"\u003cp\u003eUniversal defrost control board for heat pump systems. Controls the defrost cycle that melts ice buildup on the outdoor coil during cold weather. Compatible with time-initiated\/temperature-terminated and demand defrost systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSymptoms:\u003c\/strong\u003e Ice building up on outdoor unit, heat pump not heating efficiently in winter, outdoor fan not stopping during defrost, no reversing valve activation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Time\/temperature defrost control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 24V control, 240V switching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiming:\u003c\/strong\u003e Adjustable 30\/60\/90 min intervals\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Most residential heat pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eInstall difficulty: 3\/5\u003c\/strong\u003e — Power off. Photo existing wiring. Disconnect wires from old board. Mount new board, reconnect wires. 30 min.\u003c\/p\u003e","brand":"National HVAC Parts","offers":[{"title":"Default Title","offer_id":63010585444723,"sku":"NHVAC-DEF-BOARD","price":39.99,"currency_code":"USD","in_stock":true}]}],"url":"https:\/\/nationalhvacparts.com\/collections\/universal-defrost-controls.oembed","provider":"National HVAC Parts","version":"1.0","type":"link"}