{"product_id":"oem-goodman-vertical-drain-pan-23-x-20-in-for-wahms3642p4aca-b1756020l","title":"OEM Goodman Vertical Drain Pan 23 x 20 in. for WAHMS3642P4ACA — B1756020L","description":"\u003ch2\u003eGoodman B1756020L Vertical Drain Pan (23 x 20 in. OD)\u003c\/h2\u003e\u003cp\u003eThe Goodman B1756020L is a genuine OEM vertical condensate drain pan measuring 23 x 20 inches outside dimension, designed for the \u003cstrong\u003eWAHMS3642P4ACA\u003c\/strong\u003e air handler installed in the upflow\/vertical orientation. The pan collects condensate dripping off the evaporator coil and channels it to the drain connection. Cracked, rusted, or algae-clogged pans cause water overflow, ceiling stains, and water damage — replacing the pan with the correct OEM part restores reliable drainage.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOutside dimensions: 23 in. x 20 in.\u003c\/li\u003e\n\u003cli\u003eOrientation: Vertical (upflow)\u003c\/li\u003e\n\u003cli\u003eFunction: Primary condensate collection pan\u003c\/li\u003e\n\u003cli\u003eFits: WAHMS3642P4ACA and compatible air handlers\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: B1756020L\u003c\/li\u003e\n\u003cli\u003eEquipment: Goodman Air Handler\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThis \u003cstrong\u003egenuine OEM\u003c\/strong\u003e pan matches the coil footprint and drain port location exactly, ensuring proper slope and a leak-free seal. Generic pans often misalign the drain outlet, leading to standing water and overflow. For water-handling components, exact fit matters.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate\u003c\/strong\u003e — requires partial coil\/blower removal to access and slide out the old pan, then reconnecting the condensate drain line and confirming proper slope. Plan 45–60 minutes. Test drainage with water before closing the unit.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Direct Replacement","offer_id":63032425709939,"sku":"B1756020L-GEN","price":30.95,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048301937011,"sku":"B1756020L","price":40.23,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-drain-pan-metal-B1756020L_709d17a8-5243-4f5e-8b61-a5d39265f38d.jpg?v=1782950362","url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-vertical-drain-pan-23-x-20-in-for-wahms3642p4aca-b1756020l","provider":"National HVAC Parts","version":"1.0","type":"link"}