Hubbell Electric Heater Company A User Manual
Page 21
21
HEATING ELEMENT
1. Disconnect power from unit.
2. Shut off incoming water supply.
3. Attach hose to drain connection.
4. Lift manual release lever on relief valve to let air into system or break union on outgoing
water line.
5. Drain water from tank.
6. Disconnect the wires from the heating element terminals. Note that picture shown is a three-
phase heating element; a single-phase element has only two terminals.
7. Remove the 3/8-16 nuts.
Tank Flange
Element Terminals
Nuts
8. Withdraw element assembly and remove gasket.
Gasket
Element Assembly
9. Install new gasket and insert new heating element.
10. Rewire element according to the installation instructions as shown in the Section II.
11. Fill tank and check around gasket for any leaks.