Replacement Part Number? : 325878-751, CEPL1311012-01, CEPL130438-01, CEBD431012-01A, CEBD430438-09A, 1012-940-L, 1012-940-J. Package Include? : 1 HK42FZ011 furnace control circuit board. Compatible with a 24 VAC standard thermostat. Provides diagnostic LED to aid in troubleshooting. Direct Installation? : Manufactured with standard quality, please check that your replacement model matches the model in our product description before placing your order. We will try our best to provide a great quality service and a nice shopping experience.