Section 10 - Water Heater Specifications

10-A MULTIPLE UNIT HEATERS

1. No heater with less than a thirty-gallon tank shall be served under storage water heater rates.

2. All heaters shall be insulated storage tank heaters equipped with two heating units each controlled by a separate thermostat and carry the seal of approval of the Underwriter's Laboratories, Incorporated.

3. The upper unit and thermostat shall be located approximately one-quarter of the tank capacity below the top of the tank.

4. The bottom or storage unit and thermostat shall be located near the bottom of the tank.

5. The water heater must have provisions for the installation of a temperature pressure relief valve at the top of the tank.

6. The quick recovery type water heater with two 4500 watt interlocked elements will be accepted on the water heating rate.

10-B WATER HEATER OPERATION. At the Company's option, the operation of the water heater may be controlled by a time switch or other device which will disconnect the bottom or storage unit of the multiple unit heater during such periods of each day that the Company may designate, provided, however, that the total of such periods shall in no case exceed seven hours per day.

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