Part Number: TT2035EBF-VRT3-160
Category: Pressure Washer Pumps → Triplex Pumps → Ready-to-Install Pump Assemblies
Type: General Pump TT2035EBF-VRT3-160 Pump Made Ready with Thermal Relief

The General Pump TT2035EBF-VRT3-160 Pump Made Ready with Thermal Relief (Part #5278) is a factory-configured, ready-to-install triplex pressure washer pump assembly designed for dependable performance in residential, commercial, and light industrial cleaning applications. Built around the proven General Pump TT2035EBF pump, this assembly comes pre-equipped with a VRT3-160 unloader valve and thermal relief valve, reducing installation time while providing reliable pressure regulation and protection against excessive heat buildup.

Key Features & Benefits

• Genuine General Pump ready-to-install pump assembly
• Part Number: 5278
• Built around the General Pump TT2035EBF triplex pump
• Pre-installed VRT3-160 unloader valve
• Includes factory-installed thermal relief valve
• Rated for 3.5 GPM at 2,000 PSI
• Operates at 3,400 RPM
• 3/4-inch hollow shaft for direct engine mounting
• Supports engines up to 5 BHP
• Reduces installation time with pre-assembled components
• Helps protect the pump from overheating during bypass operation
• Ideal for residential, commercial, and light industrial pressure washers

Technical Specifications

Part Number: 5278

Pump Model: TT2035EBF

Manufacturer: General Pump (GP)

Product Type: Pump Made Ready Assembly

Maximum Flow Rate: 3.5 GPM

Maximum Pressure: 2,000 PSI

Maximum Speed: 3,400 RPM

Brake Horsepower (BHP): 5

Shaft Size: 3/4"

Unloader Valve: VRT3-160

Thermal Relief Valve: Included

Weight: 18 lbs

OEM Replacement: Yes

Compatible Applications

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

• General Pump TT2035EBF pump applications
• 3/4-inch horizontal engine shafts
• Engines up to 5 BHP
• Residential pressure washers
• Commercial pressure washers
• 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 TT2035EBF-VRT3-160 assembly helps:

• Deliver up to 3.5 GPM of water flow
• Produce operating pressures up to 2,000 PSI
• Regulate system pressure through the integrated VRT3-160 unloader
• Protect the pump during bypass with the thermal relief valve
• Reduce installation time with a factory-configured assembly
• Provide reliable cleaning performance for pressure washing applications

The integrated thermal relief valve helps prevent excessive heat buildup by automatically discharging overheated bypass water when necessary.

Common Signs Replacement Is Needed

Replace the pump assembly if you notice:

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

Replacing the complete pump assembly can restore pressure washer performance while minimizing installation time.

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 any required plumbing.
• Verify the unloader and thermal relief valve are properly installed.
• Prime the pump with water before startup.
• Inspect the system for leaks and verify proper pressure after installation.

Important: Never operate the pump without an adequate water supply. Prolonged dry running or extended bypass operation without proper cooling can significantly reduce pump life.

Maintenance Recommendations

• Inspect the pump regularly for leaks and unusual noise.
• Check pump oil level and service according to General Pump maintenance recommendations.
• Verify proper operation of the VRT3-160 unloader valve.
• Inspect the thermal relief valve periodically for proper function.
• Flush the system after use when handling corrosive or dirty water.
• Use only genuine OEM General Pump replacement parts and accessories to maintain peak performance and long service life.