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is there an overfill cutoff solution when switch sticks in 157S control?
I have a Boilersmith 30 hp steam heating boiler and occasionally the switch or switches stick in the 157S condensate return pump controller. Yes I am ordering new switches but it seems odd there is no protection against this failure - it causes flooding downstream (where there is not supposed to be a stream). I have a water detector sensor in the top of the remote condensate return tank and it has worked well but that tank is not a boiler. Is there a standard practice solution out there?