{"product_id":"oem-lennox-pressure-switch-12l46","title":"OEM Lennox Pressure Switch — 12L46","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e12L46\u003c\/strong\u003e pressure switch is a critical safety control that monitors refrigerant pressure in your Lennox air conditioner or heat pump. When pressure moves outside safe operating limits, the switch opens the control circuit to shut down the compressor, protecting the sealed system from damage caused by overpressure or loss of charge.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCommon failure symptoms:\u003c\/strong\u003e A faulty \u003cstrong\u003e12L46\u003c\/strong\u003e switch may trip nuisance shutdowns, prevent the outdoor unit from starting, cause short cycling, or fail to protect the compressor during a real fault. Homeowners often notice the system running briefly then stopping, or the unit failing to respond on a call for cooling.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhy OEM matters:\u003c\/strong\u003e The Lennox \u003cstrong\u003e12L46\u003c\/strong\u003e is calibrated to the precise cut-out and cut-in pressures your Lennox system requires. Generic switches with incorrect trip points can leave the compressor unprotected or cause needless lockouts. Installing the factory OEM part guarantees correct calibration, reliable safety response, and full compatibility with your Lennox equipment.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081115681139,"sku":"LNX-12L46","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-pressure-switch-single-LNX-12L46.jpg?v=1783762982","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-pressure-switch-12l46","provider":"National HVAC Parts","version":"1.0","type":"link"}