GP Hi-Lo Vari-Nozzle 4.5 – Blue Dot Adjustable Spray Tip

Model: YHL4.5
Category: Pressure Washer Accessories → Adjustable & Specialty Spray Nozzles
Type: Variable Spray Nozzle – High/Low Pressure, 4.5 Orifice (Blue Dot)

The GP Hi-Lo Vari-Nozzle 4.5 (Blue Dot) is a commercial-grade adjustable spray tip built for higher-flow pressure washer systems. Designed for efficiency and durability, this nozzle allows operators to switch between high-pressure cleaning and low-pressure detergent application without changing tips.

The blue dot color coding makes it easy to identify the #4.5 orifice in the field.

Key Features

• #4.5 Orifice – Blue Dot Coded

• Hi-Lo Functionality – Toggle between rinse and soap modes

• Variable Spray Angle – Averages 15° for balanced coverage and impact

• High-Impact Design – Delivers strong cleaning performance

• Durable Construction – Brass, steel, Buna-N, and engineered plastics

• Quick Identification System – Color-coded tip sizing

Technical Specifications

• Model: YHL45

• Orifice Size: 4.5

• Color Code: Blue

• Maximum Pressure: 4050 PSI

• Rated Pressure: 3650 PSI

• Maximum Flow: 10.5 GPM

• Maximum Temperature: 195°F

• Inlet: 1/4" BSP-F

• Weight: 0.40 lbs.

SEO Keywords & Phrases

• GP YHL45 Hi-Lo Vari Nozzle

• 4.5 blue adjustable spray tip

• High low pressure washer nozzle

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• 1/4" BSP-F adjustable nozzle

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Ideal Applications

• Heavy equipment washing

• Fleet cleaning

• Commercial surface cleaning

• Soap application without switching tips

• Higher GPM pressure washer systems