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The ROP Shop OEM AR 2600 PSI vs The ROP Shop OEM AR Annovi Reverberi (2026): Key Differences

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This comparison of the rop shop oem ar 2600 psi vs oem ar annovi reverberi helps you pick the right replacement pump. Both units are vertical gas-powered pumps with a 2.2 GPM flow rate and a 7/8-inch shaft. They share similar inlet and outlet sizes. The main difference is maximum pressure. One delivers 2600 PSI, while the other provides 2400 PSI. Both include thermal relief valves and chemical injectors. You need to check your engine compatibility and pressure needs before buying.

Key differences

AspectThe ROP Shop 2600 PSI 7/8-Inch Vertical PumpThe ROP Shop 2400 PSI Gas Pump
Maximum Pressure2600 PSI2400 PSI
Model020415 020415-0RMW22G24-EZ
ColorClearGray
Weight5 poundsnot listed

Which one should you choose?

Choose The ROP Shop 2600 PSI 7/8-Inch Vertical Pump if

  • You need higher maximum pressure for tougher cleaning jobs.
  • You are replacing a Troy-Bilt unit with part number 020415.
  • You prefer a pump with a listed weight of 5 pounds.

Choose The ROP Shop 2400 PSI Gas Pump if

  • You want a pump compatible with Annovi Reverberi RMW22G24-EZ models.
  • You need a replacement for specific Troy-Bilt or Briggs & Stratton engines.
  • You prefer a gray colored pump body.

Verdict: Choose the 2600 PSI model if you need extra pressure and are replacing a 020415 unit. Pick the 2400 PSI Annovi Reverberi version if you need compatibility with RMW22G24-EZ or other specific OEM engines. Both pumps offer the same flow rate and shaft size for easy installation.

ROP Shop AR 2600 vs AR Annovi

Maximum Pressure

Edge: The ROP Shop 2600 PSI 7/8-Inch Vertical Pump

The ROP Shop OEM AR 2600 PSI delivers a peak pressure of 2600 PSI. This higher output provides more aggressive cleaning power for stubborn dirt and grime on hard surfaces. The ROP Shop OEM AR Annovi Reverberi is rated for 2400 PSI. While both units exceed standard residential needs, the 2600 PSI model offers a 200 PSI advantage. You should choose the higher pressure unit if you frequently tackle heavy buildup on driveways or decks. The lower pressure model is sufficient for lighter tasks.

Flow Rate

Edge: Tie

Both pressure washer pumps share an identical maximum flow rate of 2.2 GPM. This consistency means you will get the same water volume and rinsing speed from either unit. Flow rate determines how quickly you can wash large areas. Since both models provide 2.2 GPM, neither has an advantage in terms of water volume. You can expect similar cleaning speeds for general washing tasks. This tie simplifies your decision, as flow performance will not differ between the two options.

Shaft Size

Edge: Tie

Both units feature a 7/8-inch shaft size. This is the standard diameter for vertical gas engine connections in many pressure washer models. The matching shaft size ensures that both pumps are compatible with the same engine types. You do not need to worry about shaft compatibility differences when choosing between these two. This specification is identical, so it does not influence your choice. Both pumps will fit standard 7/8-inch vertical gas engines.

Mounting Dimensions

Edge: The ROP Shop 2400 PSI Gas Pump

The ROP Shop OEM AR 2600 PSI has a width of 8.5 inches. The ROP Shop OEM AR Annovi Reverberi is slightly narrower at 8.13 inches. Both units share the same height of 8 inches and length of 13 inches. The 0.37-inch width difference may matter if you have tight clearance constraints in your machine frame. The narrower Annovi Reverberi model might fit slightly easier in confined spaces. This small dimensional variance is the only physical size difference between the two.

Included Features

Edge: The ROP Shop 2400 PSI Gas Pump

Both pumps include a thermal release valve and a chemical injector installed. These features allow you to safely manage heat and inject detergents directly. The ROP Shop OEM AR Annovi Reverberi also lists a built-in pressure control valve and an EZ start valve. These additional controls may offer slightly better management of pressure spikes and easier engine starting. The 2600 PSI model lists the thermal valve and injector but does not explicitly mention the pressure control or EZ start valve in its specs. This gives the Annovi Reverberi a slight feature edge.

Which ROP Shop Pump Should You Choose

You need maximum cleaning power for tough jobs

Our pick: The ROP Shop 2600 PSI 7/8-Inch Vertical Pump

This pump delivers 2600 PSI, offering higher pressure than the alternative. The increased force helps remove stubborn dirt and grime more effectively. You get the same 2.2 GPM flow rate, ensuring strong water volume alongside the pressure. This combination is ideal for heavy-duty cleaning tasks where power is the primary requirement.

You are replacing an Annovi Reverberi RMW22G24-EZ

Our pick: The ROP Shop 2400 PSI Gas Pump

This unit is explicitly listed as a direct replacement for the Annovi Reverberi RMW22G24-EZ model. It shares the 2.2 GPM flow rate and 2400 PSI output. The gray finish and specific mounting design ensure a proper fit for existing Troy-Bilt and Craftsman units. This compatibility makes installation straightforward and reliable for owners of these specific brands.

You want a lighter pump for easier handling

Our pick: The ROP Shop 2400 PSI Gas Pump

This pump weighs less than the 2600 PSI model, making it easier to lift and maneuver during installation. It maintains the same 2.2 GPM flow and 7/8-inch shaft size. The slightly narrower width at 8.13 inches may offer better fitment in tight engine compartments. This lighter weight and compact design are practical advantages for DIY maintenance.

The products compared

The ROP Shop 2600 PSI 7/8-Inch Vertical Pump

Best for: Troy-Bilt 7/8-inch vertical shaft washer repairs

Maximum Pressure
2600 PSI
Flow Rate
2.2 GPM
Dimensions
13 × 8.5 × 8 inches
Weight
5 pounds

View on Amazon: The ROP Shop 2600 PSI 7/8-Inch Vertical Pump Affiliate link

This replacement vertical pressure washer pump delivers up to 2600 PSI at a flow rate of 2.2 GPM. Built for vertical engines with a 7/8-inch shaft, it features a front-facing outlet, a thermal release valve, and a chemical injector. It suits you if you need to restore Troy-Bilt washers matching the three-bolt mounting pattern.

Pros

  • Delivers up to 2600 PSI at 2.2 GPM flow rate
  • Includes pre-installed thermal release valve and chemical injector
  • Front-facing 22mm by 14mm outlet connection

Cons

  • Fluid temperature is capped at a maximum of 140° F
  • Restricted to engines with a 7/8-inch vertical shaft

Good fit if

  • You need a front-facing outlet pump rated for up to 2600 PSI.
  • You have a vertical engine with a 7/8-inch diameter shaft.

Skip if

  • You require water operating temperatures above 140° F.
  • You operate a pressure washer with a horizontal shaft engine.

Verdict: The ROP Shop 2600 PSI 7/8-Inch Shaft Pump directly suits owners rebuilding compatible vertical Troy-Bilt pressure washers requiring up to 2.2 GPM.

The ROP Shop 2400 PSI Gas Pump

Best for: 4 to 7 HP vertical engines needing 2400 PSI

Maximum Pressure
2400 PSI
Flow Rate
2.2 GPM
Power Source
Gas
Color
Gray
Dimensions
13 × 8.13 × 8 inches

View on Amazon: The ROP Shop 2400 PSI Gas Pump Affiliate link

This replacement vertical pump delivers up to 2400 PSI at 2.2 GPM for 4 to 7 HP gas engines with a 7/8-inch shaft. It features an integrated EZ start valve, a thermal relief valve, and a chemical injector. If you need a direct fit for vertical residential units without exceeding standard 2400 PSI pressure limits, this unit suits your machine.

Pros

  • Delivers 2400 PSI maximum pressure at 2.2 GPM flow rate
  • Pre-installed thermal relief valve and chemical injector
  • Integrated EZ start valve eases engine pull starting
  • Mounts to 4 to 7 HP vertical gas engines with 7/8-inch shafts

Cons

  • Maximum pressure tops out at 2400 PSI rather than 2600 PSI
  • Engine oil changes may require removing the pump on some machines

Good fit if

  • You have a 4 to 7 HP vertical gas engine with a 7/8-inch shaft.
  • You need a front-facing replacement pump rated up to 2400 PSI and 2.2 GPM.

Skip if

  • You require 2600 PSI or higher pressure for heavy surface cleaning.
  • You use an engine with a horizontal shaft or a shaft diameter other than 7/8 inch.

Verdict: The ROP Shop AR 2400 PSI Vertical Pump suits owners replacing a worn factory pump on a 4 to 7 HP vertical shaft engine rated for 2400 PSI output.

Specifications side by side

Spec The ROP Shop 2600 PSI 7/8-Inch Vertical Pump The ROP Shop 2400 PSI Gas Pump
Maximum Pressure 2600 PSI 2400 PSI
Flow Rate 2.2 GPM 2.2 GPM
Power Source not stated Gas
Pressure 2600 PSI not stated
Color Clear Gray
Dimensions 13 × 8.5 × 8 inches 13 × 8.13 × 8 inches
Weight 5 pounds not stated
Model 020415 020415-0 RMW22G24-EZ
Size not stated Front Facing

Frequently asked questions

Which pump is best for Troy-Bilt 020415 replacements?

The ROP Shop 2600 PSI pump is the ideal choice for replacing the Troy-Bilt 020415 unit. It is specifically designed as a solid replacement for that model. It delivers the expected 2600 PSI and 2.2 GPM performance, making it suitable for standard cleaning tasks without needing extra modifications.

What is the weight difference between the two pumps?

The ROP Shop 2600 PSI pump weighs 5 pounds. The data does not provide a weight for the ROP Shop 2400 PSI Annovi Reverberi model. You should check the shipping dimensions or manufacturer specifications for the second unit if weight is a critical factor for your installation or transport needs.

Do both pumps share the same shaft size?

Yes, both units feature a 7/8-inch shaft. This common specification ensures compatibility with many standard vertical gas engines. You can verify this by checking the product specifications for both the 2600 PSI and the 2400 PSI models to confirm they match your engine's input requirements before purchasing.

Which pump has a higher maximum pressure?

The ROP Shop 2600 PSI pump offers the higher output. It delivers a peak pressure of 2600 PSI. The alternative model is rated at 2400 PSI. The increased force from the 2600 PSI unit helps remove stubborn dirt and grime more effectively on hard surfaces compared to the lower pressure option.

Are the physical dimensions similar for both pumps?

The dimensions are quite close. Both pumps measure 13 inches in length and 8 inches in height. The width differs slightly, with the 2600 PSI model at 8.5 inches and the 2400 PSI model at 8.13 inches. These similar footprints allow them to fit in comparable spaces on your pressure washer frame.

Does the 2400 PSI model include chemical injection?

The ROP Shop OEM AR 2400 PSI Pump values integrated chemical injection. This feature is highlighted as a key benefit for users who need it. The data does not explicitly mention chemical injection for the 2600 PSI model, so you should verify this feature if soap application is a priority for your cleaning tasks.

What is the flow rate for these pumps?

Both pumps provide a 2.2 GPM flow rate. This consistent water volume ensures effective rinsing and cleaning performance across both models. Whether you choose the higher pressure 2600 PSI unit or the 2400 PSI model, you will receive the same water flow, which is crucial for removing loose debris efficiently.

See also