AR Annovi Reverberi RMW2.2G24SX with Thermal Relief Valve
By far the question we are asked the most is how to tell which pump the customer has.  AR does label their RMW pumps but they do not mark on that label whether it is the EZ or the EZ-SX pump.  There are two ways to tell which pump you have.  The first way is to look at the direction your inlet and outlet tube face in relation to where the spark plug is located.  If the tubes go out the same side as the spark plug then you have the EZ version.  If your inlet and outlet tube come out opposite the spark plug then get the EZ-SX version of the pump.  The second way to tell which version you have is lay the three legs of the pump flat on a table with the inlet and outlet tube facing you.  Look at the legs of the pump and take note of the leg that has large hole in it.  If that leg is positioned at 2 o’clock then you have the EZ version.  If it is at 7 o’clock then you have the EZ-SX version.
Extras  you may need (just copy and paste item number in search bar):
Item number for the 14″ Surface Cleaner:
261986003770   ——  This surface cleaner works great for these smaller pumps
Item number for the RMW2.2G24EZ-SZ: 280800874061
Item number for the Key to connect the motor shaft to the pump shaft:
280881964063
Item Number for Pump Saver: 251379161001
Item Number for 25′ Pressure Washer Hose:
251462531621
Item Number for Pressure Washer Nozzles: 261031769192
Item Number for Chemical Injector Line:
280938887211
How To Determine What Pump the Customer Needs–Vertical Shaft
1)  Is your pump a vertical shaft or a horizontal–vertical shaft pump is under the motor and the horizontal shaft is on the side of the motor–a vertical shaft motor for pressure washers usually has a 7/8″ shaft and the horizontal motor for the smaller pumps is usually a 3/4″ shaft.  As you increase in horsepower the crankshaft goes from 3/4″ to 1″ or larger on the horizontal shaft motors.
2)  If you have a vertical shaft pump what horsepower is your motor?   If you have a a 3.5 to 6.5 hp motor which will produce 1900 psi to 2550 psi then we recommend the RMW2.2G24EZ or the RMW2.2G24EZ-SX depending on the direction the tubes go out.  If they come out the same side as the spark plug then you will need the RMW2.2G24EZ.  If the tubes go out opposite the spark plug then you will need the RMW2.2G24EZ-SX.
3hp to 6.5 hp—1900 psi to 2550 psi—RMW2.2G24EZ or RMW2.2G24EZ-SX
6.5hp to 7.75hp—2550 psi to 2700 psi—SRMW2.2G26EZ or SRMW2.2G26EZ-SX
7.75hp to 8.75hp—2700 psi to 3000 psi—RMW2.5G28EZ or RMW2.5G28EZ-SX
3)   The exception to the rule is if you have a crankshaft that is 2″ or longer.  If that is the case they will need the RMW2.5G26D-F7
Tubes go out spark plug side——  EZ version of the pump
Tubes go out opposite the spark plug—–EZ-SX version of pump
***Note: While there are cheaper replacement vertical pumps out there not all pumps are the same. AR axial pumps come with a 1 year warranty while the cheaper priced ones come with a 30 day warranty. Another reason to consider buying AR Pumps is for parts. Can you get parts for your pump if something minor goes wrong? In our repair shop we have worked on thousands of pressure washers. Our biggest problem we face when the cheaper pumps come in for repairs is if we can get parts for them – and many times the answer is no. All the pumps we sell we can get parts for ( even if they are made overseas) or have them in stock.***
Direct Replacement for most vertical shaft pumps.
Pump mounts directly to motor and inlet and outlet tube goes out the back of the frame (if spark plug is in front of frame).  It is made to go out opposite the spark plug
2 gallons per minute at 2400psi
Thermal Relief Valve
Bolts directly to 3-7.25 hp motor with 7/8″ crankshaft at 3400 RPMs.
Comes standard with chemical injector and built in unloader
.
You simply remove your old pump and bolt the new one on. We also have extra items that we recommend you to purchase with your pump. We list the item number for you to copy and paste to quickly find their listings.  These pumps do have a thermal relief valve on the pumpso you have almost everything you need to mount this pump. If you have the Devilbiss oil-less “bowtie” pump this is the pump setup you need to purchase.  We also have pump saver which is used to protect your pump from corrosion. If you are unsure if this is the right pump for you please call us at or email us through eBay and we can help you out. We have been working on pressure washers for more than 20 years and can help you troubleshoot your problem.
Item number for the 14″ Surface Cleaner:
261986003770   ——  This surface cleaner works great for these smaller pumps
Item number for the RMW2.2G24EZ-SZ: 280800874061
Item number for the Key to connect the motor shaft to the pump shaft:
280881964063
Item Number for Pump Saver: 251379161001
Item Number for 25′ Pressure Washer Hose:
251462531621
Item Number for Pressure Washer Nozzles: 261031769192
Item Number for Chemical Injector Line:
280938887211
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