Water heater-Tankless CERO Series 72kW-Optional-NEMA-4
NEMA ENCLOSURES - Our standard box is NEMA 3, which makes it usable in outdoor and indoor applications but it is not air tight. We make units housed in NEMA 4 or NEMA 4 X enclosures for our heaters in both the CE, CES, CF, or CERO series.