{"product_id":"lennox-87h91-r20001103-furnace-limit-control-170-f","title":"Lennox 87H91 \/ R20001103 Furnace Limit Control – 170°F","description":"\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e 87H91\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e R20001103\u003cbr\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Lennox \/ Allied Air\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Furnace High Limit Control\u003cbr\u003e\u003cstrong\u003eLimit Rating:\u003c\/strong\u003e L170-40F\u003cbr\u003e\u003cstrong\u003eOpens At:\u003c\/strong\u003e 170°F\u003cbr\u003e\u003cstrong\u003eResets At:\u003c\/strong\u003e 130°F\u003cbr\u003e\u003cstrong\u003eReset Type:\u003c\/strong\u003e Automatic\u003cbr\u003e\u003cstrong\u003eCircuit:\u003c\/strong\u003e Normally Closed\u003cbr\u003e\u003cstrong\u003eInsertion Length:\u003c\/strong\u003e 1-3\/4\"\u003cbr\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Gas Furnace\u003cbr\u003e\u003cstrong\u003eOEM Replacement:\u003c\/strong\u003e Yes \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eReplaces\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e52M43\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e52M4301\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e87H9101\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20001103\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003e20054603\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eR20054603\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eFurnace Models That Use the 87H91\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eLennox 87H91 \/ R20001103 limit control\u003c\/strong\u003e is used in select Lennox, Armstrong, Concord, Ducane and Allied Air furnaces. Compatible models include:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAF80MPA075B3-A\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF80MPA075B4-A\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF90MPB050U2\/U3-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF90MPB075C3-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF90MPB100U4-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF90MPB125U5-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF92MPE050U3-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF92MPE075U3-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF92MPE100U4-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF92V050U3-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF92V075U3-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF92V100U4-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eAF92V125U5-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCMPA050U3-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCMPA075U3-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCMPA100U4-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCMPB050U3-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCMPB075U3-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCMPB100U4-1\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCMPB125U5-1\u003c\/strong\u003e \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003eSigns of a Faulty 87H91 Limit Control\u003c\/h2\u003e\n\u003cp\u003eA faulty \u003cstrong\u003e87H91 limit switch\u003c\/strong\u003e can cause the furnace burners to shut off unexpectedly, prevent the burners from operating, or produce an open-limit fault even when the furnace is not overheating.\u003c\/p\u003e\n\u003cp\u003eIf the switch remains open after the furnace has cooled below its reset temperature, the \u003cstrong\u003e87H91 may have failed\u003c\/strong\u003e. Repeated limit trips can also be caused by an airflow problem such as a dirty filter, restricted ductwork or blower problem and do not necessarily mean the limit itself is bad.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuy the Lennox 87H91 \/ R20001103 Furnace Limit Control from OemHvacPartsCanada.ca.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Oem Hvac Parts Canada","offers":[{"title":"Default Title","offer_id":53721468272916,"sku":null,"price":80.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/6146\/6132\/files\/oem87H91.jpg?v=1787763886","url":"https:\/\/oemhvacpartscanada.ca\/products\/lennox-87h91-r20001103-furnace-limit-control-170-f","provider":"Oem Hvac Parts Canada","version":"1.0","type":"link"}