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North American 1807-0-3/4" NPT

An 1807 Limiting Orifice Valve is used to set air/gas ratio on a nozzle-mix burner. It has a V-port plug that can be adjusted sensitively and accurately with an Allen wrench. Turning the screw counterclockwise increases flow. A cap conceals the adjustment and discourages tampering with the setting.

• Max Inlet Pressure 25 psi (1.7) bar
• 3/4" NPT