This robust switch block is a necessity while diving a full-face mask. Should your primary gas supply get interrupted, activating the Gas Switch Block allows gas to flow from the emergency bailout bottle. The large activation knob is easy to locate and use, even with cold water gloves on. Includes 3 different inlet fittings.

• Designed to mount on 2 in (50 mm) harness webbing

• While in the closed position, 2 LP ports have open communication with the inlet port

• Opening the block allows gas to enter from emergency reserve bailout bottle

• Ports are 3/8”-24 UNF

• A one-way check valve prevents gas from traveling backwards from bailout bottle to inlet supply

• Bailout port is clearly marked

• Bailout port is configured to accept a 9/16”-18 UNF regulator hose

• Inlet connector, with one-way valve, accepts 3 different inlet adapters included
  • 9/16”-18 UNF scuba regulator hose connector

  • JIC-4 – surface supply umbilical

  • JIC-6 – surface supply umbilical

• Large on/off knob is dry-glove friendly

• Easy-to-service with service kits available