Robertshaw 780-845 Failure Rate of Spark Ignition Module

Written By Emmanuel Dealba

Be aware of the possibility of higher than average failure rates for Robertshaw 780-845 Spark Ignition Modules.

Intermittent failures on several different uses of this particular model disappeared after switching brands.

The Honeywell / Resideo S8610U has been more reliable in our experience.

Emmanuel Dealba
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