suburban hot water heater
This is a followup to my original post: Followed advice to check switch on the unit's face. Bypassed it with limited success. Switch was not melted and checked good with ohmmeter, it is rated at 16 amps. Noticed corrosion on contacts, cleaned and reinstalled, still limited success. Pulled all connecters one at a time and cleaned contacts.
These connections are exposed to overflow from the pop off valve and are obviously (Now) vulnerable. I would suggest using a good quality electrical contact cleaner on them. FYI the switch when pried out has about three inches of wire which can be carefully pulled out. Kudos to the forum members who put me on the right track. Took a long hot shower last night. Cheers!