The Series SSB from Sussman Electric Boilers (Long Island City, NY) produces steam up to 100 psig in a range from 36 to 540 pph. The units operate on electricity and no flues, fuel lines, or tanks are needed. Other features include compatibility with distilled, demineralized, deionized, or reverse-osmosis water. Typical applications include laboratory validation, cleanroom humidification, and pharmaceutical processes.