{"product_id":"oem-goodman-m4-primary-limit-switch-for-amvc961005-20162906","title":"OEM Goodman M4 Primary Limit Switch for AMVC961005 — 20162906","description":"\u003ch2\u003eGoodman 20162906 M4 Primary Limit Switch\u003c\/h2\u003e\u003cp\u003eThe Goodman 20162906 is a genuine OEM M4 primary high-limit switch for Goodman and Amana gas furnaces, including the \u003cstrong\u003eAMVC961005CNAA\u003c\/strong\u003e. Mounted on the heat-exchanger bulkhead, this primary limit monitors supply-air temperature and opens the burner circuit if airflow is lost or temperatures climb beyond the safe setpoint, then automatically resets once temperatures return to normal.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: 20162906\u003c\/li\u003e\n\u003cli\u003eType: M4 primary limit switch\u003c\/li\u003e\n\u003cli\u003eContacts: Normally closed (opens on temperature rise)\u003c\/li\u003e\n\u003cli\u003eReset: Automatic\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman \/ Amana (OEM)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe 20162906 is factory-calibrated to the specific trip point for this furnace's heat-exchanger design. Generic limit switches with mismatched setpoints can cause nuisance shutdowns or, worse, fail to protect the exchanger. For safe, reliable heating we recommend the genuine OEM control.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (2\/5)\u003c\/strong\u003e — Turn off power and gas. Remove the mounting screws, transfer the wire terminals, and seat the new switch flush against the bulkhead in the original orientation. Restore power and confirm proper heating cycle operation.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057997889907,"sku":"GOODMAN-9087","price":9.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-m4-primary-limit-switch-for-amvc961005-20162906","provider":"National HVAC Parts","version":"1.0","type":"link"}