{"product_id":"oem-goodman-300-f-rollout-limit-switch-for-gmnt090-4b-b1370145","title":"OEM Goodman 300°F Rollout Limit Switch for GMNT090-4B — B1370145","description":"\u003ch2\u003eGoodman B1370145 Rollout Limit Switch (300°F)\u003c\/h2\u003e\u003cp\u003eThe B1370145 is a genuine OEM manual-reset rollout limit switch engineered for the Goodman\/Amana \u003cstrong\u003eGMNT090-4B\u003c\/strong\u003e gas furnace and compatible platforms. It is a critical flame-rollout safety device: if flames escape the burner box (from a cracked heat exchanger, blocked flue, or restricted combustion air), this switch opens at 300°F and shuts the furnace down to prevent overheating and unsafe operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: Manual-reset rollout \/ flame limit switch\u003c\/li\u003e\n\u003cli\u003eOpen temperature: 300°F (149°C)\u003c\/li\u003e\n\u003cli\u003eMounting: Burner bracket, standard 2-terminal blade connectors\u003c\/li\u003e\n\u003cli\u003eFits: Goodman\/Amana GMNT090-4B and compatible furnace models\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1370145\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is the \u003cstrong\u003efactory OEM Goodman part\u003c\/strong\u003e, calibrated to the exact 300°F trip point specified for your furnace. Universal switches often use approximate trip temperatures and non-matching mounting brackets, which can cause nuisance trips or improper safety response. For a code-compliant, reliable repair we recommend the OEM switch.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (1\/5).\u003c\/strong\u003e Disconnect power, unplug the two wire leads, remove the mounting screw, and swap. Most homeowners complete this in under 10 minutes. Always cut power at the breaker before servicing.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058130272627,"sku":"GOODMAN-11700","price":4.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-300-f-rollout-limit-switch-for-gmnt090-4b-b1370145","provider":"National HVAC Parts","version":"1.0","type":"link"}