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Variable flow allows you to change the output of the gun without having to change the mix chamber.
Most contractors find a reduced setting they prefer and then quickly toggle between full flow and reduce flow settings. The cap provides 10 different flow settings ranging from full output to a limited stream of chemical.
Typical situations where reduced flow may be beneficial is when spraying may require less output to reduce over-spray, such as: corners, around doors and windows.
Variable Flow Adjustment Knob
The variable flow feature is designed to provide immediate adjustment between a full flow pattern (determined by mix chamber size) and a user defined reduced flow pattern.
Flow Selector Knob
OFF Denoted with "0". When the Flow Selector Knob is in the Off position, the gun will not actuate. Use this setting when not spraying to prevent accidental actuation.
Full Flow Denoted with "II". When the Flow Selector Knob is in the Full Flow position, the gun will dispense at the full volume flow allowed by the mix chamber. Use this setting for normal spraying.
Variable Flow Denoted with "I". When the Flow Selector Knob is in the Reduced Flow position, the gun will dispense at a reduced flow volume. The reduced flow can be adjusted, see Change Flow Selector Knob. Use this setting for smaller jobs without changing the mix chamber.