General Pump YG4000WN Rear Inlet Weep Spray Gun for Cold Weather Use | Summary
The General Pump YG4000WN is a high-performance weep-style trigger spray gun, engineered for use in professional pressure washing systems. With a maximum pressure of 5000 PSI and a flow rate of 10.5 GPM, this gun handles tough cleaning tasks while offering built-in freeze protection.
Its weep seat design allows a small amount of water to escape when the trigger is released—ideal for colder climates where water inside a closed gun could freeze and cause damage. Built from stainless steel, brass, and impact-resistant plastics, this gun is made to last in demanding environments.
Cold Weather Rear Entry Weep Gun for Pressure Washers | Features
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Weep Seat Design: Allows small continuous flow when off trigger to prevent freeze-ups
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High Pressure Rating: Supports up to 5000 PSI, ideal for commercial applications
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Heat-Resistant Build: Handles water up to 320°F for use with hot water systems
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Ergonomic Construction: Designed for reduced fatigue during extended use
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Durable Materials: Brass body and stainless steel internals for long service life
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Rear Inlet Configuration: Keeps the hose out of the operator’s way for better handling
| Specification | Details |
| Brand | General Pump |
| Part Number | YG4000WN |
| Max Flow | 10.5 GPM |
| Max Pressure | 5000 PSI |
| Max Temperature | 320°F |
| Inlet Port | 3/8" FNPT |
| Outlet Port | 1/4" FNPT |
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