{"product_id":"oem-lennox-2-wire-damper-actuator-wiring-harness-y3449","title":"OEM Lennox 2-Wire Damper Actuator Wiring Harness — Y3449","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003eY3449\u003c\/strong\u003e wiring harness provides the factory-rated electrical connection between your zoning control board and a 2-wire damper actuator (Honeywell MS8105A1030-type) used on Lennox zone dampers rated up to 10 sq ft. This harness carries the low-voltage signal that drives the actuator open and closed, allowing your Lennox comfort system to direct conditioned air to the zones calling for heating or cooling.\u003c\/p\u003e\u003cp\u003eWhen a damper harness fails or corrodes, you'll often see a zone that won't open or close, dampers stuck in one position, erratic zone response, or a control board that reports a damper fault. Frayed, pinched, or heat-damaged wiring is a common culprit behind these zoning complaints.\u003c\/p\u003e\u003cp\u003eChoosing the OEM Lennox \u003cstrong\u003eY3449\u003c\/strong\u003e harness ensures the connector, pinout, and conductor gauge match your equipment exactly—no splicing, adapters, or guesswork. Generic substitutes risk poor connections and intermittent damper operation. Installing the correct factory part protects your zoning system's reliability and keeps every zone responding as designed.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081078554995,"sku":"LNX-Y3449","price":19.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-2-wire-damper-actuator-wiring-harness-y3449","provider":"National HVAC Parts","version":"1.0","type":"link"}