Part Number: 42369
Category: Pressure Washer Parts → Unloader Valve Parts → Unloader Repair Kits
Type: AR 42369 RSV Unloader Kit – OEM Replacement for Pressure Washer Pumps Over 3200 PSI

The AR 42369 RSV Unloader Kit (Part #42369) is a genuine OEM replacement repair kit designed for servicing compatible Annovi Reverberi (AR) RSV unloader valves used on pressure washer systems operating at over 3,200 PSI. This repair kit provides the essential OEM components needed to restore proper unloader valve operation, maintain accurate pressure regulation, and extend the service life of your pressure washer system.

Key Features & Benefits

• Genuine AR (Annovi Reverberi) OEM repair kit
• Part Number: 42369
• Designed for compatible AR RSV unloader valves
• For pressure washer systems operating above 3,200 PSI
• Restores proper pressure regulation
• Helps maintain smooth bypass operation
• Reduces pressure fluctuations and surging
• Extends unloader valve service life
• Ideal for preventive maintenance and repairs
• OEM-quality fit and performance

Technical Specifications

Part Number: 42369

Product Type: RSV Unloader Repair Kit

Manufacturer: AR (Annovi Reverberi)

Compatible Unloader Series: RSV

Recommended Pressure Range: Over 3,200 PSI

OEM Replacement: Yes

Compatible Applications

Designed for use with compatible AR RSV Series unloader valves installed on pressure washer systems operating above 3,200 PSI, including:

• Commercial pressure washers
• Industrial pressure washer systems
• Hot water pressure washers
• Cold water pressure washers
• Pump rebuilds
• Unloader valve maintenance

Always verify your unloader model and operating pressure before ordering.

Function of the RSV Unloader Kit

The repair kit helps:

• Restore proper unloader valve operation
• Maintain consistent system pressure
• Improve bypass performance
• Protect the pressure washer pump from over-pressurization
• Reduce pressure spikes and surging
• Extend the service life of the unloader valve

Replacing worn internal unloader components helps maintain safe, reliable pressure washer operation while improving overall system performance.

Common Signs Replacement Is Needed

Replace the RSV unloader kit if you notice:

• Pressure fluctuations
• Unstable operating pressure
• Unloader valve sticking
• Excessive bypass operation
• Reduced cleaning performance
• External leakage around the unloader
• Scheduled preventive maintenance
• Worn internal unloader components

Replacing worn components promptly helps prevent unnecessary wear on the pressure washer pump and related system components.

Installation & Service Notes

• Shut down the pressure washer and relieve all system pressure.
• Remove the RSV unloader valve according to the manufacturer's service procedures.
• Carefully disassemble the valve and inspect all internal components.
• Replace worn components using the OEM repair kit.
• Lubricate seals and moving parts as recommended by the manufacturer.
• Reassemble the unloader valve according to AR specifications.
• Adjust operating pressure as required and verify proper bypass operation.

Important: Inspect springs, seals, valve seats, and other internal components during service. Replace any damaged parts to ensure reliable pressure regulation and long-term performance.

Maintenance Recommendations

• Inspect the unloader valve during routine pressure washer maintenance.
• Replace internal wear components at the first signs of pressure instability.
• Keep inlet water properly filtered to minimize valve wear.
• Periodically verify pressure settings after servicing.
• Use only genuine OEM AR replacement parts to maintain optimum pressure regulation, reliability, and long service life.