{"product_id":"50a55-476-emerson-furnace-control-circuit-board-150-0667","title":"50A55-476 Emerson Furnace Control Circuit Board 150-0667","description":"\u003cp\u003e\u003cstrong\u003e\u003cem\u003eThis product may contain shelf wear, have minor cosmetic imperfections, or have been tested. All our certified pre-owned products are backed by our return policy. We offer free shipping on all items. Please contact us for discounts or if you have any questions. We look forward to doing business with you!\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e· Input Voltage: 25 VAC, 50\/60 Hz\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e· Maximum Input Current: 0.45 amp at 25 VAC · Valve Relay Load Rating: 1.5 amp at 25 VAC, 50\/60 Hz, 0.6 power factor · Ignitor Relay Load Rating: 6.0 amp at 120 VAC, 50\/60 Hz (resistive) · Inducer Relay Load Rating: 2.2 FLA – 3.5 LRA at 120 VAC · Circulator Relay Load Rating: 14.5 FLA – 25.0 LRA at 120 VAC · Flame Current Detection Range: Minimum 1 µA DC to maximum 0.1 µA DC, with allowable leakage resistance ≤ 100 MΩ · Operating Temperature Range: -40° to 175°F (-40° to 80°C) · Humidity Range: 5% to 93% relative humidity, non-condensing · Mounting Type: Surface mount, multipoise · Timing Controls: Warm-up and flame establishment times regulated for ignition safety (e.g., flame establishing time ≥ 11 seconds initially) · Compatible with hot surface ignition furnace systems controlling gas valve, ignitor, blower, inducer, humidifier, and air cleaner functions · UL approved wiring recommended: 105°C rated, 18 gauge stranded wire for low voltage connections\u003c\/p\u003e\u003cp\u003eThis technical specification summary is compiled based on typical characteristics from Emerson and White Rodgers integrated furnace control boards of the 50A55 series which match the 50A55-476 model functionality.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43672947064941,"sku":"13054","price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0637\/2419\/1853\/files\/s-l800_e7ae106b-3464-46da-9081-a31b6e7bda29.jpg?v=1763344181","url":"https:\/\/willardshvacsupply.com\/products\/50a55-476-emerson-furnace-control-circuit-board-150-0667","provider":"Willard's HVAC Supply","version":"1.0","type":"link"}