{"product_id":"oem-goodman-time-delay-relay-control-board-for-gpc1336h21a-pcbfm103s","title":"OEM Goodman Time Delay Relay Control Board for GPC1336H21A — PCBFM103S","description":"\u003ch2\u003eGoodman PCBFM103S Time Delay Relay Board\u003c\/h2\u003e\u003cp\u003eThe Goodman \u003cstrong\u003ePCBFM103S\u003c\/strong\u003e is the OEM blower fan time-delay relay control board for the \u003cstrong\u003eGPC1336H21A\u003c\/strong\u003e packaged air conditioner. This board manages indoor blower operation and the on\/off fan delay that improves efficiency and prevents abrupt temperature swings. When the blower won't start, runs continuously, or ignores the thermostat fan call, a failed control board is a leading cause. The factory board restores correct timing and reliable fan sequencing.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eType: integrated fan \/ time-delay relay control board\u003c\/li\u003e\n\u003cli\u003eFunction: blower control with on\/off fan delay timing\u003c\/li\u003e\n\u003cli\u003eVoltage: 24V control with line-voltage blower relay\u003c\/li\u003e\n\u003cli\u003eMounting: OEM stand-off \/ connector layout\u003c\/li\u003e\n\u003cli\u003eFit: Goodman GPC1336H21A air conditioner\u003c\/li\u003e\n\u003cli\u003eOEM part number: PCBFM103S\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOEM vs. Generic\u003c\/h3\u003e\u003cp\u003eThe OEM PCBFM103S matches Goodman's exact connector pinout, relay ratings, and delay logic for plug-and-play replacement. Generic or rewired boards risk incorrect timing, connector mismatches, and damage to the blower motor. The OEM board is the dependable, warranty-safe fit.\u003c\/p\u003e\u003ch3\u003eInstallation Difficulty\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIntermediate (3\/5).\u003c\/strong\u003e Disconnect power, photograph wiring, transfer connectors one at a time to the new board, and confirm the fan delay operates on a thermostat call. A licensed HVAC technician is recommended for diagnosis and wiring verification.\u003c\/p\u003e","brand":"Goodman","offers":[{"title":"Direct Replacement","offer_id":63032330944883,"sku":"PCBFM103S-GEN","price":48.95,"currency_code":"USD","in_stock":true},{"title":"OEM","offer_id":63048301445491,"sku":"PCBFM103S","price":63.64,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0984\/1190\/5395\/files\/nhvac-control-board-furnace-PCBFM103S_414428af-b890-4406-ae7f-e4fe7f7ce29d.jpg?v=1782950332","url":"https:\/\/nationalhvacparts.com\/products\/oem-goodman-time-delay-relay-control-board-for-gpc1336h21a-pcbfm103s","provider":"National HVAC Parts","version":"1.0","type":"link"}