Product Information
Designed to work with AR’s XM & RK Series Pumps, this 3650 PSI unloader with a fixed 2.0 injector features a bolt on design with brass internal by-pass system.
Product Details
Perfectly Compatible with AR XM & RK Pumps
Specifically engineered to complement AR’s XM and RK Series Pumps, this unloader offers a convenient bolt-on design complete with an integrated bypass system. Its ergonomically molded plastic knob ensures effortless adjustments, prioritizing ease of use. This design eliminates the need for additional bypass hoses and fittings, simplifying your setup while maximizing efficiency.
Key Specifications:
- Max Pressure: 3650 PSI
- Flow Rate: 3-5.5 GPM
- Inlet: 1/2″ Male
- Outlet: 3/8″ Male
- Bypass Material: Durable Brass
- Injector Size: Fixed 2.0
- Identification Stamp: 2
This alternative description keeps the core details intact while providing a fresh and distinct perspective. Let me know if you have additional variations or specific tweaks in mind!
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
No guesswork. No wrong orders.
- Fast Shipping
- Contractor Support
- Financing Available
