{"product_id":"oem-goodman-m4-primary-limit-switch-for-amvs960805cuaa-20162906","title":"OEM Goodman M4 Primary Limit Switch for AMVS960805CUAA — 20162906","description":"\u003cp\u003eThe Goodman \u003cstrong\u003e20162906\u003c\/strong\u003e is a genuine OEM M4 primary (high) limit switch engineered for the \u003cstrong\u003eAMVS960805CUAA\u003c\/strong\u003e gas furnace and compatible Goodman\/Amana models. This safety-critical component monitors heat-exchanger temperature and shuts off the burners if the furnace overheats — for example, from a dirty filter or blower failure — protecting the furnace and your home from unsafe conditions.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOEM Part Number: 20162906\u003c\/li\u003e\n\u003cli\u003eType: M4 primary \/ high limit switch (auto-reset)\u003c\/li\u003e\n\u003cli\u003eFunction: High-temperature safety cutout for burner circuit\u003c\/li\u003e\n\u003cli\u003eMounting: Manifold\/heat-exchanger bracket mount\u003c\/li\u003e\n\u003cli\u003eBrand: Goodman \/ Amana\u003c\/li\u003e\n\u003cli\u003eFits: AMVS960805CUAA furnace (and related models)\u003c\/li\u003e\n\u003cli\u003eEquipment: Gas Furnace\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eA limit switch is a safety device — its trip temperature must match the furnace's engineered spec exactly. A generic switch with the wrong cutout point can either nuisance-trip (no heat) or fail to trip when it should (a genuine safety hazard). The OEM Goodman 20162906 is calibrated to the correct temperature and terminal layout for this furnace. \u003cstrong\u003eFor safety components, always use OEM.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate (3\/5)\u003c\/strong\u003e — Requires shutting off power and gas, removing the burner\/control panel, and transferring the two spade connectors. Use a multimeter to confirm the fault before replacing. If you're unsure about diagnosing furnace lockouts, have a licensed HVAC technician install this part.\u003c\/p\u003e\u003cp\u003eGenuine Goodman safety part, in stock. Questions on compatibility? Email info@nationalhvacparts.com.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63058009588083,"sku":"GOODMAN-9349","price":34.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-m4-primary-limit-switch-for-amvs960805cuaa-20162906","provider":"National HVAC Parts","version":"1.0","type":"link"}