
Honeywell SM11456A PCB (control board)
Honeywell SM11456AU board is a specialized electronic control module (controller) from the Honeywell industrial line. Based on the part number and data from open sources, this model belongs to the category of control boards for gas boilers and heating systems. The product is also known under manufacturer code 10206952 and warehouse part number 534.568.036. The part number SM11456A (specified in SKU) and SM11456AU are likely designations for the same board, where the suffix U may indicate a specific revision or climate version. About the product: SM114 series boards are typically used as OEM components (original parts) for gas boilers of various European brands (e.g., Baxi, Westen, and others). Key features: Original Honeywell configuration: Guarantees stable operation and full compliance with factory specifications. Functionality: Provides combustion process control, temperature and pressure sensor monitoring, and safe equipment operation (flame control, overheat protection). Reliability: Industrial components are designed for long service life and resistant to temperature fluctuations. Compatibility check recommendations: Since this board is a technically complex component, before purchasing it is strongly recommended to: Visually compare: Compare the board's appearance with product photos (connector layout, jumpers, fuses, and wire connection terminals). Ensure geometry and mounting hole locations match. Check marking: Compare the part number on the old board. If the old board is marked SM11456AU or SM11456A, compatibility is guaranteed. If the old board has a different number (e.g., SM11450U or SM11451U), check with a manager about replacement, as they may differ.