SLPTSS1511-402 Pump Assembly – TSS1511 Pump w/ Plumbing

Part Number: SLPTSS1511-402
Category: Pressure Washer Pumps & Pump Assemblies
Type: Pump Assembly w/ Plumbing – TSS1511 Belt-Drive, 4.0 GPM @ 3500 PSI

The Pressure-Pro SLPTSS1511-402 Pump Assembly is a factory-built, fully plumbed replacement centered around the TSS1511 belt-drive pump. Delivering 4.0 GPM at 3500 PSI and engineered for 1450 RPM operation, this assembly is designed for belt-driven commercial pressure washer systems that prioritize ultra-smooth performance, reduced wear, and extended service life. Supplied complete with plumbing and a VRT3-310EZ unloader, it provides a true drop-in solution to restore OEM performance while minimizing downtime in demanding commercial environments.

Product Specifications

• Pump Model: TSS1511

• Assembly Type: Complete pump assembly with plumbing

• Pump Type: Triplex Plunger, Belt Drive

• Flow Rate: 4.0 GPM

• Max Pressure: 3500 PSI

• Shaft Size: 24 mm

• Rated Speed: 1450 RPM

• Unloader: VRT3-310EZ (included)

• Manufacturer: Pressure-Pro

• MPN: SLPTSS1511-402

• Condition: New

Features & Benefits

• Genuine Pressure-Pro OEM pump assembly

• Factory-plumbed for fast, drop-in replacement

• Ultra-low RPM belt-drive design for extended pump life

• Smooth, low-vibration operation for commercial use

• Includes VRT3-310EZ unloader for precise pressure control

• High-output 4.0 GPM / 3500 PSI performance

Applications

• Belt-driven commercial pressure washers

• Industrial and fleet-wash systems

• High-demand cleaning environments

• Replacement pump for compatible Pressure-Pro units

• Equipment repair, refurbishment, and upgrades

Important Notes

• Verify shaft size (24 mm), drive type (belt), and RPM compatibility (1450) before ordering

• Designed for systems using TSS1511 belt-drive pumps

• Final operating PSI and GPM depend on pulley ratio, motor, and overall system configuration