CAT 9900 Pressure-Sensitive Multiple Gun Unloader 2900 PSI
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$2,601.97
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Product Information
The 9900 Unloader maintains full system pressure while running in by-pass without full load on the pump and boasts up to 120 GPM performance.
Product Details
The 9900 Unloader maintains full system pressure while running in by-pass without full load on the pump and boasts up to 120 GPM performance.This Pressure Sensitive Regulating Unloader is designed for single or multiple pump, weep or multi-nozzle systems. This unloader maintains set system pressure and goes into by-pass with the release of the trigger or an obstruction downstream. Pressure is held in the line during by-pass with full pressure when the gun is opened or the obstruction cleared and minimal pressure fluctuation with the alternating use of multiple guns. 5-10% by-pass is necessary for optimum performance.
Specifications:
- Flow Range: 50.0 to 120.0 GPM
- Pressure Range: 100 to 2900 PSI
- Maximum Temperature: 140° F
- Inlet Port: 1-1/4″ NPTF
- Outlet Port: 1-1/4″ NPTF
- Bypass Port: 1-1/2″ NPTF
- Approximate Weight: 13.2 lbs.
Shipping & Delivery
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Fast nationwide shipping via UPS
Most orders arrive within 5–10 business days. -
Direct-from-manufacturer items may take up to 14 business days
If a product will take longer than expected, a PowerWash.com account executive will contact you. -
Backorder notifications
If an item becomes unavailable or delayed, our team will notify you immediately with options. -
Freight delivery for large equipment
Oversized items ship by truck freight. Lift-gate service is available if needed. -
Alaska & Hawaii shipping
Delivery to AK/HI may take up to 30 business days. (Some chemical products cannot ship to AK/HI.) -
International shipping available
We ship to most countries worldwide. Call 1-800-433-2113 for rates. -
Order minimum
Orders under $15 may incur a minimum order fee. -
Track your order anytime
You can check your order status using the Orders & Returns page.
Returns & Warranty
30-Day Return Window (Unused Items)
Unused products in original packaging can be returned within 30 days of delivery.
Simple Return Process
Just contact our team to receive an RMA (Return Authorization) before sending anything back.
Restocking Fee
Returns may be subject to a 20% restocking fee.
Non-Returnable Items
Due to safety and usage factors, the following items cannot be returned:
– Pressure washers (covered under warranty only)
– Chemicals / hazmat products
– Custom or special-order equipment
Manufacturer Warranties Apply
Many products are backed by manufacturer warranties (pumps, engines, accessories, etc.).
Coverage varies by brand and product type.
Defective or Damaged Items
If something arrives damaged or defective, contact us immediately so we can make it right.
Support
Support & Questions
Talk to a real pressure washing expert
Our team helps contractors choose the right equipment, chemicals, and setup.
Need help before ordering?
We can help you confirm:
– Proper sizing (GPM, PSI, fittings)
– Product compatibility
– Best setup for your job
Support after purchase
We’re here to help with setup, usage, and troubleshooting.
Call or speak with our team
 1-800-433-2113
Fast response from experienced staff
No call centers — you’ll speak with someone who understands the equipment.
Get It Right The First Time
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