{"product_id":"oem-goodman-3-16in-id-pressure-switch-tubing-for-ams80704bna-a3468601","title":"OEM Goodman 3\/16in ID Pressure Switch Tubing for AMS80704BNA — A3468601","description":"\u003cp\u003eGenuine OEM Goodman \u003cstrong\u003eA3468601\u003c\/strong\u003e pressure switch tubing is the factory-spec sensing hose used on the \u003cstrong\u003eAMS80704BNA\u003c\/strong\u003e 80% multi-position gas furnace and many related Goodman\/Amana models. This 3\/16 inch inside-diameter tube carries the negative pressure signal between the inducer housing (or collector box) and the furnace pressure switch, allowing the switch to confirm proper venting before the burners fire.\u003c\/p\u003e\u003cp\u003eOver time this tubing can crack, harden, or become brittle from repeated heat cycling, causing intermittent pressure-switch lockouts and nuisance no-heat calls. Replacing it with the correct OEM tube restores a reliable air seal and accurate pressure sensing.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e A3468601\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside diameter:\u003c\/strong\u003e 3\/16 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Pressure\/draft switch sensing line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heat-resistant flexible tubing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Goodman AMS80704BNA and compatible furnaces\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eOEM vs. Generic:\u003c\/strong\u003e The genuine Goodman tube is cut and formulated to the exact length, wall thickness, and temperature rating specified by the factory, ensuring a leak-free press-fit over the switch and inducer barbs. Generic bulk tubing may fit loosely, harden faster, or fail to hold a stable pressure signal — leading to repeat failures. For a critical safety-sensing component, OEM is the reliable choice.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstall difficulty:\u003c\/strong\u003e Easy — a DIY-friendly replacement. Power down the furnace, slip the old tube off both barbs, and press the new tube fully onto each fitting. No tools required. Always verify furnace operation and pressure-switch closure after installation.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Default Title","offer_id":63057690820979,"sku":"GOODMAN-6910","price":8.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-3-16in-id-pressure-switch-tubing-for-ams80704bna-a3468601","provider":"National HVAC Parts","version":"1.0","type":"link"}