- (a) An unfired pressure vessel used in a commercial beverage dispensing system must have clearance of 18 inches for at least 50% of the vessel surface. The remaining vessel surface may have its clearance reduced to 1 inch.
- (b) The Department will issue one certificate of operation and charge one fee under § 3a.2 (relating to fees) for all vessels used in a commercial dispensing system at a single business location at the same design maximum working pressure.