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When a Suburban SW-series water heater won't light reliably or keeps dropping out, the ignition control module is a common culprit. This 12VDC control board monitors and manages the combustion process to keep hot water production consistent, and it's designed to be a straightforward, plug-and-play swap for the original.
Confirm your water heater's exact model number against the fitment list above before ordering, since SW-series units span several capacities and configurations.
