{"product_id":"oem-goodman-blower-control-board-for-gpc1348h21a-pcbfm103s","title":"OEM Goodman Blower Control Board for GPC1348H21A — PCBFM103S","description":"\u003cp\u003eThe \u003cstrong\u003eGoodman PCBFM103S Fan Blower Control Board\u003c\/strong\u003e is the OEM circuit board that governs indoor blower operation and on\/off time-delay timing for the \u003cstrong\u003eGPC1348H21A\u003c\/strong\u003e 4-ton packaged air conditioner. It manages the heat\/cool fan-on and fan-off delays that improve comfort and efficiency, and routes 24V control signals to the blower motor relay. Symptoms of a failed board include a blower that won't start, runs continuously, or ignores thermostat fan-delay settings.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFunction: blower control with integrated time-delay relay\u003c\/li\u003e\n\u003cli\u003eControl voltage: 24V (low-voltage thermostat circuit)\u003c\/li\u003e\n\u003cli\u003eProvides fan-on\/fan-off timing for cool and heat modes\u003c\/li\u003e\n\u003cli\u003eOEM Part Number: PCBFM103S\u003c\/li\u003e\n\u003cli\u003eFits: Goodman GPC1348H21A and compatible packaged units\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe OEM PCBFM103S carries Goodman's factory timing logic, terminal layout, and relay ratings, so the harness plugs in without rewiring. Universal fan boards may require jumper reconfiguration and can mistime the blower, undermining the comfort and efficiency the original was tuned for.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eModerate\u003c\/strong\u003e — disconnect power, photograph and transfer the wiring harness terminal-by-terminal, then swap the board. Plan 30–45 minutes; meter and clear wiring diagram recommended. Improper terminal placement can damage the new board.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Direct Replacement","offer_id":63032331469171,"sku":"PCBFM103S-GEN","price":54.95,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048199143795,"sku":"PCBFM103S","price":71.44,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-fan-PCBFM103S.jpg?v=1782946848","url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-blower-control-board-for-gpc1348h21a-pcbfm103s","provider":"National HVAC Parts","version":"1.0","type":"link"}