Armstrong World Industries EHU-700 Series, EHU-703, EHU-701, EHU-704 manual

12)Reassemble tank. Make sure o-rings are still on electrode terminals. Also check condition of steam generator o-ring. After a couple cleanings, it will need to be replaced. Make sure o-ring is sealed in its groove and not pinched when halves are put together. Do not over-tighten nuts that hold electrodes in place. This is an o-ring seal so nuts should be "snug".

13)Re-install the steam generator tank. Check out for proper operation.

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