{"product_id":"oem-lennox-pressure-switch-56l32","title":"OEM Lennox Pressure Switch — 56L32","description":"\u003cp\u003eThe genuine OEM Lennox \u003cstrong\u003e56L32\u003c\/strong\u003e pressure switch is a critical safety control that monitors venting and airflow inside your Lennox furnace. It confirms that the inducer motor is drawing proper draft before allowing the ignition sequence to begin, protecting against dangerous flue blockages and combustion problems. This factory part is engineered to the exact trip pressure specified for your Lennox equipment.\u003c\/p\u003e\u003cp\u003eWhen a pressure switch fails or drifts out of calibration, you'll often see the furnace short-cycle, lock out on a fault code, or fail to ignite at all. A stuck-open switch will prevent the burners from firing, while a stuck-closed switch can allow unsafe operation. Cracked hoses, a clogged port, or a worn diaphragm are common culprits.\u003c\/p\u003e\u003cp\u003eUsing an OEM Lennox \u003cstrong\u003e56L32\u003c\/strong\u003e switch matters because aftermarket units frequently have incorrect pressure setpoints, leading to nuisance lockouts or bypassed safeties. This direct factory replacement guarantees the correct trip point, connector fit, and mounting for reliable, code-compliant furnace operation.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081102836083,"sku":"LNX-56L32","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-56L32.jpg?v=1783763051","url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-pressure-switch-56l32","provider":"National HVAC Parts","version":"1.0","type":"link"}