Pressure Washer Accumulator – 3000 PSI, 1/2" FPT, 10 GPM
Part Number: 3104
Category: Pressure Washer Parts → Pumps & Plumbing → Accumulators
Type: Pressure Washer Accumulator – 3000 PSI, 1/2" FPT, 10 GPM
The Pressure Washer Accumulator (Part #3104) is a high-pressure accumulator designed to reduce pressure fluctuations, absorb hydraulic shock, and provide smoother water flow in commercial and industrial pressure washer systems. Pre-charged with 580 PSI nitrogen, this accumulator helps minimize pressure spikes caused by pump pulsation, reducing stress on pumps, hoses, unloaders, gauges, and other high-pressure plumbing components.
Key Features & Benefits
- Part Number: 3104
- High-pressure accumulator
- 580 PSI nitrogen pre-charge
- 1/2" Female NPT connection
- Rated for systems up to 3,000 PSI
- Supports flow rates up to 10 GPM
- Smooths pressure fluctuations and pump pulsation
- Helps reduce hydraulic shock and water hammer
- Minimizes vibration throughout the pressure washer system
- Helps protect pumps, unloaders, gauges, hoses, and fittings
- Improves overall system performance
- Factory sealed, maintenance-free design
- Non-rebuildable construction
Technical Specifications
Part Number: 3104
Product Type: Pressure Washer Accumulator
Connection Size: 1/2" Female NPT
Maximum Working Pressure: 3,000 PSI
Maximum Flow Rate: 10 GPM
Pre-Charge: 580 PSI Nitrogen
Rebuildable: No
Compatible Applications
Suitable for use with:
- Commercial pressure washers
- Industrial pressure washing systems
- Hot water pressure washers
- Cold water pressure washers
- Pump protection systems
- High-pressure fluid transfer equipment
- Wash bay equipment
- Fleet washing systems
- Industrial cleaning equipment
- Agricultural pressure washer systems
Always verify pressure rating, flow requirements, and plumbing compatibility before installation.
Function of the Accumulator
The Pressure Washer Accumulator helps:
- Absorb pump pulsation
- Reduce hydraulic shock and water hammer
- Smooth pressure fluctuations
- Improve pressure consistency
- Reduce vibration throughout the system
- Protect pumps, unloaders, gauges, hoses, and fittings from premature wear
- Extend the service life of high-pressure plumbing components
The factory 580 PSI nitrogen pre-charge provides an air cushion that absorbs pressure spikes generated during normal pump operation.
Common Signs Replacement Is Needed
Replace the accumulator if you notice:
- Increased system vibration
- Excessive pressure pulsation
- Hydraulic shock or water hammer
- External leakage
- Physical damage or corrosion
- Loss of pressure-dampening performance
Because the accumulator is non-rebuildable, replacement is recommended if the unit no longer performs properly.
Installation & Service Notes
Turn off the pressure washer and relieve all system pressure before installation.
Install the accumulator using the 1/2" Female NPT connection in the appropriate location within the pressure washer plumbing system as recommended by the equipment manufacturer.
Apply an appropriate thread sealant where required and tighten fittings securely without overtightening.
After installation, inspect all connections for leaks and verify proper system operation.
Important: Never exceed the maximum 3,000 PSI working pressure or 10 GPM flow rate. The accumulator is factory pre-charged with 580 PSI nitrogen and is not rebuildable. Do not attempt to disassemble or modify the unit.
Maintenance Recommendations
- Inspect the accumulator periodically for leaks, corrosion, or physical damage.
- Monitor system performance for increased pulsation or vibration.
- Check threaded connections during routine maintenance.
- Replace the accumulator if pressure-dampening performance decreases.
- Do not attempt to rebuild or disassemble the sealed accumulator.
- Replace only with a compatible accumulator meeting the required pressure, flow, and connection specifications.
