9000509

6 pole connection. 120V, 208V, or 240V. Also used for double element heaters that are wired for simultaneous operation. Replaces No. 7025, and 8025 with E.C.O. attached and replaces No. WH2-4 or WH5-4, or WH7-2, or WH7-4.You are ordering Part No. 9000509
(WH9-6) Thermostat With E.C.O. For Single Element Water Heaters
Other variations may be listed
If you have questions call 716-689-6990, 9am-4pm EST.