§ 33.12. Design of device.
An automatic temperature compensator shall be of a design intended by the manufacturer for the temperature compensation of home heating oils and approved under the act of May 5, 1921 (P. L. 389, No. 187) (73 P. S. § § 1701—1715).
(1) The device shall be capable of being deactivated from the automatic temperature computing mechanism so that the attached meter may indicate in terms of the uncompensated volume.
(2) The device shall be capable of applying a security seal in such a manner that the automatic temperature compensating system cannot be disconnected and that no adjustment can be made to the system once the security seal is in place.
(3) On the meter that is equipped with an automatic temperature compensator, a clear and conspicuous statement shall appear on the meter to show that the volume delivered has been adjusted to the volume at 60°F.
(4) On meters equipped with automatic temperature compensators, means shall be provided for inserting for test purposes a thermometer either in the liquid chamber of the meter or in the meter inlet or in the discharge line immediately adjacent to the meter.
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