NorthStar® Hot Water Pressure Washer – 3,500 PSI, 3.5 GPM, Gas, Honda GX390 (157117)

This NorthStar hot water pressure washer with wet steam is built for the toughest cleaning jobs where cold water units fall short. Loaded with advanced technology, it delivers an unbeatable combination of high heat, high impact pressure, and high flow rate to melt through grease, oil, manure, and heavy grime fast.

Featuring a 250°F wet steam mode and an industry-leading 150°F temperature rise, this unit dramatically improves cleaning efficiency while reducing chemical use. The digital thermostat provides precise temperature control—maintaining a stable 15–18°F range—so you get consistent hot water without the temperature swings common in other brands.

Power comes from a Honda GX390 engine with electric start, paired with a CAT Pumps direct-drive pump for quiet, reliable performance. A fuel-efficient downdraft burner and large 8-gallon fuel tanks extend run time, letting you work longer with fewer refueling stops.

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Ideal Applications

Perfect for heavy-duty cleaning in:

• Farms & agricultural equipment
  
• Garages & repair shops
• Warehouses & industrial facilities
  
• Outdoor buildings & work areas
  

• Removing grease, oil, manure, dirt, and heavy buildup

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Key Features & Benefits

• 250°F Wet Steam Mode
  Combines high heat, pressure, and flow for maximum cleaning power
• 150°F Temperature Rise
  Industry-leading heat output for superior degreasing and sanitation
• Advanced Digital Thermostat
  Maintains a consistent 15–18°F temperature range with minimal fluctuation
• Fuel-Efficient Downdraft Burner
  Seamless coil design delivers consistent heat with up to 35% improved fuel efficiency
• AFI (Air/Fuel/Ignition) System
  Eliminates the need for a 12-volt motor for greater reliability
• Heavy-Duty Powertrain
  Honda GX390 electric-start engine with Cat direct-drive pump
• Built for Mobility & Protection
  Large 15-inch pneumatic tires and rugged steel roll cage
• Extended Runtime
  Dual 8-gallon fuel tanks reduce downtime and refueling frequency

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What’s Included

• Premium 3/8" × 50 ft. high-pressure hose
• High-quality rear-entry spray gun with swivel (prevents hose twist)
• 18.5-inch lance
  Five nozzles:
• 15° wet steam
• 15°
• 25°
• 40°
• Chemical nozzle