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Spraying Systems 1/8” Washjet MEG 15° 4000psi

SM-8.707-536.0

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Orifice Size: #02.0

Chiseling Impact | 1/8" NPT Configuration

The Spraying Systems WashJet® 1/8" MEG 15° Nozzle acts as a liquid scraper. By fanning the stream just enough to create a "blade" of water, it delivers high-impact chiseling force perfect for stripping paint, grease, and chewing gum.

⚠️ Mosmatic / Surface Cleaner Standard: This is the premium OEM-style replacement nozzle for Mosmatic surface cleaners that utilize 1/8" spray bars. The 15° angle provides the aggressive "cutting" action required for professional concrete cleaning.

⚠️ Check Your Threads: 1/8" NPT

Not for standard wands. This nozzle has a smaller 1/8" NPT thread. It fits surface cleaner arms and specialty lances, not standard 1/4" pressure washer lances.

✅ The WashJet® Advantage

Constructed from Hardened 404 Stainless Steel, this nozzle resists both high-pressure erosion and chemical corrosion. This ensures your chiseling fan pattern remains sharp and effective long after standard stainless tips have washed out.

⚠️ Precision Sizing Required

  • Too Small: Your unloader valve will bypass water to limit pressure. This reduces the flow rate at the tip, killing your cleaning efficiency.
  • Too Big: System pressure drops drastically, significantly reducing your impact force and cleaning power.

Use the Smart Calculator below to find your exact match.

📐 Nozzle Size Calculator

Enter your machine's specs to generate the recommended orifice size.

(Check this box to split the flow for 2-arm bars)
Exact Calculation:
# 2.00
Recommended Orifice Size: # 2.0
⚠️ IMPORTANT: This size is PER NOZZLE.
Buy TWO of these.
Gas HP
14.5 HP
Elec HP
11.0 HP
Hyd HP
9.3 HP

Disclaimer: This calculator is a guide only. Always verify your equipment's specific requirements before installing high-pressure components.

Note: When calculating for Spray Bars, we round DOWN to maintain rotation speed.

Technical Specifications

Model Spraying Systems WashJet® MEG
Thread Type 1/8" NPT Male
Material Hardened 404 Stainless Steel
Rated Pressure 4,000 PSI
Spray Angle 15° Chiseling Fan

Spray Angle Color Guide

Note: WashJet MEG nozzles are unpainted stainless steel. The list below references the matching Quick Connect industry standard colors.

  • 🔴 0° (Red): Cutting / Hydro-Excavation.
  • 🟡 15° (Yellow): Chiseling / Paint Stripping / Heavy Grease.
  • 🟢 25° (Green): Flushing / Surface Cleaners.
  • 40° (White): Washing / Windows / Siding.

Professional 1/8" 15° Use Cases:

  • Surface Cleaners (Mosmatic / Old Whisper Wash): The 15° angle is the factory standard for Mosmatic surface cleaners. It provides the "chiseling" edge needed to clean porous concrete and is considered a High-Impact upgrade on other surface cleaners with an 1/8" bar.
  • Paint Stripping: The blade-like spray pattern lifts peeling paint effectively.
  • Grease Removal: Ideal for scraping heavy grease deposits from machinery using a short 1/8" lance.

💧 Installation Tip

Because 1/8" threads are smaller and often subjected to high vibration (or heat), Thread Tape (Teflon) or a medium-strength threadlocker (Blue Loctite) is highly recommended to prevent seizing or loosening during operation.

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