Part Number: LWD3025G-VRT3-250
Category: Pressure Washer Pumps → Triplex Pumps → Ready-to-Install Pump Assemblies
Type: Comet LWD3025G-VRT3-250 Pump Made Ready with Thermal Relief

The Comet LWD3025G-VRT3-250 Pump Made Ready with Thermal Relief (Part #LWD3025G-VRT3-250) is a factory-configured, ready-to-install triplex pressure washer pump assembly designed for reliable residential, commercial, and light industrial cleaning applications. Built around the Comet LWD3025G triplex pump, this complete assembly comes pre-equipped with a VRT3-250 unloader valve and thermal relief valve, minimizing installation time while providing dependable pressure regulation and enhanced pump protection.

Key Features & Benefits

• Genuine Comet ready-to-install pump assembly
• Part Number: LWD3025G-VRT3-250
• Built around the Comet LWD3025G triplex pump
• Pre-installed VRT3-250 unloader valve
• Includes factory-installed thermal relief valve
• Rated for 3.0 GPM at 2,500 PSI
• Operates at 3,400 RPM
• 3/4-inch hollow shaft for direct engine mounting
• Compatible with engines up to 6.5 HP
• Reduces installation time with factory-installed components
• Helps protect the pump from overheating during bypass operation
• Designed for residential, commercial, and light industrial pressure washer systems

Technical Specifications

Part Number: LWD3025G-VRT3-250

Pump Model: LWD3025G

Manufacturer: Comet

Product Type: Pump Made Ready Assembly

Maximum Flow Rate: 3.0 GPM

Maximum Pressure: 2,500 PSI

Maximum Speed: 3,400 RPM

Horsepower: 6.5 HP

Shaft Size: 3/4"

Unloader Valve: VRT3-250

Thermal Relief Valve: Included

Weight: 18 lbs

OEM Replacement: Yes

Compatible Applications

Designed for use with compatible gas-powered pressure washers utilizing:

• Comet LWD3025G pump applications
• 3/4-inch horizontal engine shafts
• Engines up to 6.5 HP
• Residential pressure washers
• Commercial pressure washers
• Light industrial cleaning equipment
• Equipment repair and replacement projects
• OEM equipment installations

Always verify shaft size, engine horsepower, mounting dimensions, and pressure/flow requirements before installation.

Function of the Pump Made Ready Assembly

The LWD3025G-VRT3-250 assembly helps:

• Deliver up to 3.0 GPM of water flow
• Produce operating pressures up to 2,500 PSI
• Regulate system pressure through the integrated VRT3-250 unloader valve
• Protect the pump during bypass operation with the thermal relief valve
• Reduce installation time with a factory-configured assembly
• Provide reliable, consistent cleaning performance for residential and commercial pressure washing applications

The integrated thermal relief valve helps prevent excessive heat buildup by automatically discharging overheated bypass water during prolonged trigger-off operation.

Common Signs Replacement Is Needed

Replace the pump assembly if you notice:

• Reduced operating pressure
• Decreased water flow
• Excessive pump noise
• External water or oil leaks
• Pump overheating
• Unloader valve malfunction
• Cracked or damaged pump housing
• Excessive internal wear
• Thermal relief valve malfunction

Replacing the complete pump assembly restores pressure washer performance while minimizing installation time and equipment downtime.

Installation & Service Notes

• Shut down the pressure washer and relieve all system pressure.
• Verify compatibility with the engine shaft, horsepower, and mounting configuration.
• Install the pump onto the engine according to the manufacturer's specifications.
• Connect the water inlet, high-pressure outlet, and required plumbing.
• Verify the VRT3-250 unloader valve and thermal relief valve are properly installed.
• Prime the pump with water before startup.
• Inspect the system for leaks and verify proper operating pressure after installation.

Important: Never operate the pump without an adequate water supply. Running the pump dry or allowing prolonged bypass operation without a functioning thermal relief valve can significantly reduce pump service life.

Maintenance Recommendations

• Inspect the pump regularly for leaks and abnormal operating noise.
• Check pump oil level and service according to Comet maintenance recommendations.
• Verify proper operation of the VRT3-250 unloader valve.
• Inspect the thermal relief valve periodically for proper function.
• Flush the system after use when pumping dirty or corrosive water.
• Use only genuine OEM Comet replacement parts and approved accessories to maintain maximum performance, reliability, and long service life.