{"product_id":"oem-goodman-primary-limit-switch-for-acvm970804cnaa-20162902","title":"OEM Goodman Primary Limit Switch for ACVM970804CNAA — 20162901","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e20162901 Primary Limit Switch\u003c\/strong\u003e is a genuine OEM high-limit safety control built for the \u003cstrong\u003eACVM970804CNAA\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana units. Mounted on the heat exchanger or burner deck, this primary limit continuously monitors plenum temperature and de-energizes the gas valve if the furnace overheats — typically from restricted airflow such as a dirty filter or failed blower.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 20162901\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Primary high-limit switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Auto-reset overheat cutout\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Heat-exchanger \/ burner-box bracket mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Goodman (OEM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Model:\u003c\/strong\u003e ACVM970804CNAA furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003egenuine Goodman OEM\u003c\/strong\u003e primary limit is set to the precise temperature and insertion depth required for safe operation of your specific furnace. Generic replacements may not match the probe length or trip point, which can cause nuisance trips or, worse, fail to protect the heat exchanger. For a safety-critical part like this, OEM is the right choice.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5)\u003c\/strong\u003e — Requires hand tools and care. Shut off power and gas, document the wiring, remove the mounting screws, and replace the switch with the sensing element inserted to the same depth and orientation. Persistent tripping indicates an airflow or blower problem that should be corrected.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057494802803,"sku":"GOODMAN-3037","price":32.34,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-primary-limit-switch-for-acvm970804cnaa-20162902","provider":"National HVAC Parts","version":"1.0","type":"link"}