{"product_id":"oem-lennox-switch-blower-prove-sp-open-10ma-5v-18l89","title":"OEM Lennox Switch Blower Prove Sp Open 10mA@5V — 18L89","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 18L89\u003c\/strong\u003e is a genuine OEM blower prove switch rated at 10mA at 5V with a normally open single-pole configuration, designed to verify that the blower motor is operating correctly before allowing the full system to energize. A failed blower prove switch can result in your Lennox system refusing to start, displaying blower fault codes, or shutting down unexpectedly due to an unconfirmed blower status signal. This replacement part is built to Lennox OEM specifications to restore safe and proper system sequencing in compatible fan and blower applications.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081028256115,"sku":"LNX-18L89","price":89.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-switch-blower-prove-sp-open-10ma-5v-18l89","provider":"National HVAC Parts","version":"1.0","type":"link"}