{"product_id":"oem-lennox-control-limit-spst-155f-close-20w34","title":"OEM Lennox Control-Limit SPST 155F Close — 20W34","description":"\u003cp\u003eThe \u003cstrong\u003eLennox 20W34\u003c\/strong\u003e (OEM part 100847-02) is a single-pole single-throw (SPST) high-limit control switch that closes at 155°F, providing critical overheat protection for your Lennox furnace. A failing limit switch can cause symptoms such as intermittent shutdowns, the furnace blowing cold air, or repeated tripping of the high-limit circuit. This genuine OEM Lennox part delivers the precise calibration and durability required for a reliable, long-lasting repair on compatible Lennox systems.\u003c\/p\u003e","brand":"Lennox","offers":[{"title":"Default Title","offer_id":63081053978995,"sku":"LNX-20W34","price":19.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-lennox-control-limit-spst-155f-close-20w34","provider":"National HVAC Parts","version":"1.0","type":"link"}