excl. VAT · import VAT and duties on delivery
· shipping calculated at checkout
Delivery to 97 countries
Original manufacturer part
Dispatch within 24 h for stocked items
Description
The Honeywell SM11457U is an electronic control board (PCB) designed for modern wall-hung boilers. It manages the ignition sequence, enforces safety times, and monitors system feedback from sensors and switches. This board is an OEM equivalent to part number 5692300 and is compatible with Baxi MAIN DIGIT 240Fi boilers. It is identified by manufacturer code SM11457U and article number 534.568.705.
Further details
Function
manages the ignition sequence, enforces safety times, and monitors system feedback
Interchangeability
not interchangeable across different models or brands
Model specific matching
matched to a specific boiler model
Output drives
fan, gas valve, ignition transformer, pump
Replacement verification
correct part number from boiler manufacturer's documentation must be used
Safety hazard mismatch
differences in pin assignments can cause malfunction or safety hazards
Sensing inputs
temperature sensors, pressure switches, flame detection electrode
Choosing and fitting
Parts of this type are selected by matching the boiler manufacturer's documented part number and verifying the board's physical connector layout and mounting pattern against the existing wiring harness and housing. Differences in pin assignments can cause malfunction or safety hazards, so always confirm compatibility before ordering.
