{"product_id":"oem-goodman-150-f-primary-limit-switch-for-amec960403anaa-20162903","title":"OEM Goodman 150°F Primary Limit Switch for AMEC960403ANAA — 20162903","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e20162903 Primary Limit Switch\u003c\/strong\u003e is a genuine OEM high-limit safety control with a \u003cstrong\u003e150°F\u003c\/strong\u003e trip point, built for the \u003cstrong\u003eAMEC960403ANAA\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. Mounted in the heat-exchanger\/plenum airstream, it continuously senses supply-air temperature. If airflow is restricted (dirty filter, blocked ducts, failed blower) and the temperature climbs past its setpoint, the switch opens to de-energize the gas valve and prevent overheating. This is an \u003cem\u003eauto-reset\u003c\/em\u003e primary limit — it closes again once temperatures normalize.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: 20162903\u003c\/li\u003e\n\u003cli\u003eType: Primary \/ high-limit switch\u003c\/li\u003e\n\u003cli\u003eTrip temperature: 150°F\u003c\/li\u003e\n\u003cli\u003eReset: Automatic (closes on cool-down)\u003c\/li\u003e\n\u003cli\u003eConfiguration: Normally closed, opens on over-temperature\u003c\/li\u003e\n\u003cli\u003eFits: AMEC960403ANAA and compatible Goodman \u0026amp; Amana furnaces\u003c\/li\u003e\n\u003cli\u003eBrand: OEM Goodman\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe 150°F rating and probe length are matched to this furnace's heat exchanger and cabinet geometry. The OEM Goodman 20162903 trips at exactly the certified temperature. Generic limits with a different setpoint or probe length cause nuisance shutdowns or fail to protect the heat exchanger. Insist on OEM for accurate, safe operation.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eEasy (2\/5).\u003c\/strong\u003e Disconnect power and gas. Unplug the spade terminals, remove the two mounting screws, and install the new switch in the identical location and orientation so the probe sits correctly in the airstream. Reconnect leads and verify continuity. Typical replacement takes 15–20 minutes.\u003c\/p\u003e\u003cp\u003eProtect your furnace from overheating with the genuine Goodman 20162903 150°F primary limit switch.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057564500339,"sku":"GOODMAN-4103","price":8.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-150-f-primary-limit-switch-for-amec960403anaa-20162903","provider":"National HVAC Parts","version":"1.0","type":"link"}