Upgraded R40403-003 Furnace Blower Control Circuit Board Replace for 40403-001, 40403-002, 20054502,ST9120A,ST9120B,ST9120C

1.Compatibility: Compatible with a wide range of furnace blower controls, such as R40403-001, R40403-002, 20054502 and ST9120A, B or C. It can also work well with Lennox, Ducane, Armstrong and Trane furnace parts. 2.Replacement: R40403-001, R40403-002, R40403-003, 20054501, ST9120C 2010, 1138-83-1002A, 87H88, R20054502, R38493B001, 87H8801. 1138-100, 1711, HCSI PLC=0, 164322, T9AV5D12-22, 16391, CPC E 94V0, 1138-83-1003A.Ideal for furnace replacement circuit boards like Lennox control board, Ducane furnace parts and Armstrong furnace parts. 3.Easy Installation: Provide convenient wiring and clear instructions. It fits both original and updated wiring systems, suitable for furnace blower installation. 4.Technical Specifications: Operating line voltage ranges from 85 to 135 VAC, 50/60Hz. Secondary control voltage is 18.0 to 30.0 VAC, 50/60Hz. Maximum blower and inducer loadings are specified, guaranteeing reliable performance of furnace control circuit boards. 5.Function: With user-selectable blower delay and 24V circuit protected by a 5A replaceable fuse, enhancing the control of Trane furnace control board and other furnace controls.

• What has been upgraded? The power of all power components has been increased, which extends their lifespan, and the problem of components being burned out due to overheating has been solved. Compatibility: Compatible with a wide range of furnace blower controls, such as R40403-001, R40403-002, 20054502 and ST9120A, B or C. It can also work well with Lennox, Ducane, Armstrong and Trane furnace parts.
• Replacement: R40403-001, R40403-002, R40403-003, 20054501, ST9120C 2010, 1138-83-1002A, 87H88, R20054502, R38493B001, 87H8801. 1138-100, 1711, HCSI PLC=0, 164322, T9AV5D12-22, 16391, CPC E 94V0, 1138-83-1003A.Ideal for furnace replacement circuit boards like Lennox control board, Ducane furnace parts and Armstrong furnace parts.
• Easy Installation: Provide convenient wiring and clear instructions. It fits both original and updated wiring systems, suitable for furnace blower installation.
• Technical Specifications: Operating line voltage ranges from 85 to 135 VAC, 50/60Hz. Secondary control voltage is 18.0 to 30.0 VAC, 50/60Hz. Maximum blower and inducer loadings are specified, guaranteeing reliable performance of furnace control circuit boards.
• Function: With user-selectable blower delay and 24V circuit protected by a 5A replaceable fuse, enhancing the control of Trane furnace control board and other furnace controls.