QC-MEG Quick Connect Pressure Washer Spray Nozzle – 4.5 Orifice 0° Red Nozzle Tip

Part Number: 1084
Category: Pressure Washer Accessories → Quick Connect Spray Nozzles
Type: QC-MEG Quick Connect Pressure Washer Spray Nozzle – 4.5 Orifice 0° Red Nozzle Tip

The QC-MEG Quick Connect Spray Nozzle (Part #1084) is a genuine OEM quick-change pressure washer nozzle manufactured by Spraying Systems Co. for commercial, industrial, agricultural, and residential pressure washing applications. Featuring a 4.5 orifice and a 0-degree solid stream spray pattern, this nozzle delivers maximum cleaning force with a highly concentrated spray, making it ideal for removing stubborn dirt, grease, oil, hardened mud, paint residue, heavy scale, and other difficult deposits from durable surfaces.

Key Features & Benefits

• Genuine QC-MEG OEM quick-connect spray nozzle
• Part Number: 1084
• Manufactured by Spraying Systems Co.
• 0° red solid stream spray pattern
• 4.5 orifice size
• Integrated 1/4" quick disconnect plug
• Rated for systems up to 4,000 PSI
• Specially hardened stainless steel nozzle
• Durable red protective nozzle guard
• Molded locating ribs for quick spray alignment
• Maximum cleaning power with a concentrated spray stream
• Protective guard helps prevent accidental nozzle damage
• Thermal insulation for hot water pressure washing
• Compatible with most standard pressure washer quick-connect systems

Technical Specifications

Part Number: 1084

Manufacturer: Spraying Systems Co.

Series: QC-MEG

Product Type: Quick Connect Pressure Washer Spray Nozzle

Nozzle Size: 4.5

Spray Pattern: 0°

Color: Red

Connection Type: Integrated 1/4" Quick Disconnect Plug

Maximum Pressure: 4,000 PSI

Nozzle Material: Specially Hardened Stainless Steel

OEM Replacement: Yes

Compatible Applications

Suitable for use with:

• Commercial pressure washers
• Residential pressure washers
• Hot and cold water pressure washers
• Pressure washer spray guns
• Pressure washer wands
• Quick-connect lance systems
• Heavy equipment cleaning
• Fleet washing
• Agricultural equipment cleaning
• Construction equipment maintenance
• Industrial equipment cleaning
• Concrete and surface preparation

Always verify nozzle size, operating pressure, flow rate, and quick-connect compatibility before ordering.

Function of the Spray Nozzle

The QC-MEG 1084 spray nozzle helps:

• Produce a highly concentrated 0° high-pressure solid stream
• Deliver maximum cleaning force for the toughest cleaning applications
• Allow rapid nozzle changes using the integrated quick-connect design
• Improve cleaning efficiency while minimizing downtime
• Maintain proper spray alignment with molded locating ribs
• Provide precise cleaning for heavily soiled, durable surfaces

Its 0° solid stream spray pattern is ideal for removing hardened mud, grease, oil, paint residue, heavy mineral deposits, and stubborn buildup from concrete, heavy equipment, construction machinery, agricultural equipment, industrial equipment, and other rugged surfaces.

Color-Coded Spray Pattern Guide

The QC-MEG nozzle system uses industry-standard color coding for quick identification:

• Red: 0° Solid Stream
• Yellow: 15° Fan Spray
• Green: 25° Fan Spray
• White: 40° Fan Spray
• Black: Low-Pressure Soap/Downstream Injection

Common Signs Replacement Is Needed

Replace the nozzle if you notice:

• Uneven or distorted spray pattern
• Reduced cleaning performance
• Worn or enlarged orifice
• Damaged quick-connect plug
• Cracked or damaged protective guard
• Corrosion or physical damage
• Pressure loss caused by nozzle wear

Replacing a worn nozzle restores proper spray pattern, operating pressure, and cleaning efficiency.

Installation & Service Notes

Turn off the pressure washer and relieve system pressure before changing nozzles.

Insert the integrated 1/4" quick-connect plug fully into a compatible quick-connect coupler until securely locked.

Align the spray pattern using the molded locating ribs on the nozzle guard.

Verify the nozzle is securely seated before operating the pressure washer.

Inspect the quick-connect fitting and O-rings regularly for wear or damage.

Important: Match the 4.5 orifice size to your pressure washer's GPM and PSI specifications to maintain proper operating pressure and cleaning performance. The 0° solid stream spray pattern provides the highest impact and is intended only for durable surfaces. Never use a 0° nozzle on painted finishes, vehicles, wood, glass, siding, or other delicate materials, as the concentrated stream may cause severe surface damage or personal injury. Always wear appropriate eye and hand protection during operation.

Maintenance Recommendations

• Flush the nozzle with clean water after each use.
• Inspect the hardened stainless steel orifice regularly for wear or mineral buildup.
• Clean clogged nozzles using an approved nozzle cleaning tool—never use wire or sharp objects that may damage the precision orifice.
• Inspect the quick-connect plug and protective guard for signs of wear or damage.
• Store the nozzle in a clean, dry location when not in use.
• Use only genuine OEM QC-MEG replacement nozzles to maintain proper spray pattern, operating pressure, and long-term performance.