{"product_id":"oem-lennox-3-pole-contactor-24v-22a-72w96","title":"OEM Lennox 3-Pole Contactor 24V 22A — 72W96","description":"\u003cp\u003eThe Lennox \u003cstrong\u003e72W96\u003c\/strong\u003e (also referenced as OEM number 102881-01) is a genuine 3-pole (3PDT) contactor with a 24-volt coil rated for 22 amps. This electromechanical switch is the heart of your outdoor unit's control circuit — when the thermostat calls for cooling, the low-voltage signal energizes the coil and closes the contacts, delivering line power to the compressor and condenser fan motor. Without a properly functioning contactor, your Lennox system cannot start or maintain a cooling cycle.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms\u003c\/strong\u003e include an outdoor unit that hums but won't start, chattering or buzzing at the contactor, pitted or burned contact points, and intermittent cooling. Over time, arcing across the contacts causes carbon buildup and welding, leaving the unit stuck on or unable to engage. Ant or insect intrusion and coil burnout are also frequent culprits.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The \u003cstrong\u003e72W96\u003c\/strong\u003e is engineered to Lennox specifications for exact coil voltage, contact rating, and mounting footprint, ensuring a direct fit and factory-rated performance. Aftermarket substitutes may differ in amperage rating or terminal layout, risking premature failure or improper switching. Choosing the genuine Lennox part protects your compressor and preserves system reliability.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081081667955,"sku":"LNX-72W96","price":28.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-contactor-3pole-LNX-72W96.jpg?v=1783759075","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-3-pole-contactor-24v-22a-72w96","provider":"National HVAC Parts","version":"1.0","type":"link"}