Pilot Mark VII scuba regulators
Check against the official notice below — it lists the full affected range.
Under Sea Industries of Compton, California is recalling all Scubapro Mark VII and Pilot Mark VII scuba regulators manufactured since August 25, 1976. The regulators may have a defective "O" ring in the first stage that could cause the audio warning device to fail or reduce air flow to the diver, creating a potential for serious injury or suffocation. Approximately 2,200 regulators are affected. No injuries have been reported to the Consumer Product Safety Commission.
Consumers who purchased either the Mark VII (retail price approximately $180) or Pilot Mark VII (retail price approximately $270) since August 25, 1976 should return the regulator to the place of purchase to have the "O" rings replaced at no charge.
Written by software from the official notice below. Not reviewed by a lawyer.
Suffocation
June 23, 1977 Release # 77-070 WASHINGTON, D.C. (June 23) -- The U.S. Consumer Product Safety Commission and Under Sea Industries of Compton, California today announced a recall of all Scubapro Mark VII and Pilot Mark VII scuba regulators produced since August 25, 1976. The regulators may contain a defective "O" ring in the first stage which could result in failure of the unit's audio warning device, or in a reduction in the air flow to the diver. In either event, there is a potential for serious injury or suffocation, according to the Commission staff. No injuries associated with these regulators have been reported to the Commission. Approximately 2200 regulators are being recalled. The Mark VII and the Pilot Mark VII retail for approximately $180 and $270 respectively. Consumers who have purchased one of these regulators since August 25, 1976 should return it to the place of purchase in order to have the "O" rings replaced free of charge
Official record: U.S. Consumer Product Safety Commission ↗
Republished from the official source above; details can change — the source record controls.