PowerWash

Annovi Reverberi AR RW21 1450 RPM Solid Shaft Pump

$820.97

SKU: RW21

Product Information

Featuring new state-of-the-art low-pressure seals, this RW21 Pressure Washer Pump boasts 5.5 GPM & 3500 PSI power at 1450 RPM.

Product Details

Featuring new state-of-the-art low-pressure seals, the RW Series of Pressure Washer Pumps from AR have been engineered to run at 20% lower RPMs. Super thick ceramic plungers, a super size 32 oz oil crankcase, over-sized tapered bearings for maximum life and load disbursement, double sight glasses, double oil drain plugs and a special long life Ultra-form valve cage body that is impervious to absorption and deformation make it ideal for long-life belt-driven Pressure Washers. The RW21 Pressure Washer Pump runs quietly and efficiently, ideal for long term pressure washing and contract cleaning.

Specifications:

Shaft Size: 24mm Solid
Maximum RPM: 1450
Maximum GPM: 5.5
Maximum Pressure: 3500 PSI
Power EBHP: 13.2 BHP
Maximum Fluid Temperature: 140 F
Bore Diameter: 18mm
Stroke: 19.8mm
Inlet Thread: 1/2″ F
Discharge Thread: 3/8″ F
Oil Capacity: 32 oz.
Approximate Weight: 31 lbs.

Shipping & Delivery

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.

View full returns & warranty policy.

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.