{"product_id":"oem-goodman-300-f-primary-limit-switch-for-dds80453axa-b1370195","title":"OEM Goodman 300°F Primary Limit Switch for DDS80453AXA — B1370195","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman B1370195 Primary Limit Switch\u003c\/strong\u003e is a genuine OEM safety control that protects your \u003cstrong\u003eDDS80453AXA\u003c\/strong\u003e gas furnace from overheating. Wired in series with the ignition circuit, this normally-closed switch opens at its 300°F trip point to shut off the burners if heat-exchanger temperatures climb too high — a critical component for safe, reliable furnace operation.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: B1370195\u003c\/li\u003e\n\u003cli\u003eTrip temperature: 300°F (auto-reset)\u003c\/li\u003e\n\u003cli\u003eFunction: Primary high-limit safety switch\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman \/ Amana\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas furnace (fits DDS80453AXA)\u003c\/li\u003e\n\u003cli\u003eType: Normally-closed bimetal disc\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis is a \u003cstrong\u003egenuine Goodman OEM part\u003c\/strong\u003e, calibrated to the exact trip and reset temperatures your furnace's control board expects. Generic limit switches may vary in trip point and mounting, risking nuisance lockouts or unsafe operation. For a safety-critical control, OEM is strongly recommended.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy\u003c\/strong\u003e — a simple two-wire swap secured by mounting screws. Always disconnect power at the breaker before servicing. A multimeter is helpful to confirm continuity. Most homeowners with basic tools complete this in 15–20 minutes.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058012045683,"sku":"GOODMAN-9430","price":10.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-300-f-primary-limit-switch-for-dds80453axa-b1370195","provider":"National HVAC Parts","version":"1.0","type":"link"}