Advantages:

• Clear bowl to see water level in tank and visually indicate ozone off-gassing
• Can be disassembled for cleaning or rebuilding
• Replacement parts are available

Disadvantages:

• Should not be used with ozone concentrations in air above 6% by weight
• Not compatible with high levels of ketones, chlorinated or aromatic hydrocarbons

Advantages:

• Compatible with higher ozone concentrations than the 1-ACVW
• 1-piece unit prevents leaks and improves reliability

Disadvantages:

• 1-piece design does not allow repair, or rebuild of valve
• Stainless body does not allow visual indication of water level in tank, or ozone off-gassing