Part Number: 7605
Category: Pressure Washer Accessories → Spray Nozzles → High-Pressure Spray Nozzles
Type: PNR 1/4" MNPT 25° 40.0 Stainless Steel Spray Nozzle – Pressure Washer Replacement Nozzle

The PNR Stainless Steel Spray Nozzle (Part #7605) is a genuine OEM high-pressure replacement nozzle engineered for commercial, industrial, agricultural, and heavy-duty pressure washing applications. Featuring a 25-degree fan spray pattern and a 40.0 orifice, this nozzle delivers exceptionally high water flow while maintaining an excellent balance of concentrated cleaning power and broad surface coverage. It is designed for high-capacity pressure washer systems used in industrial cleaning, fleet maintenance, heavy equipment washing, and agricultural applications.

Key Features & Benefits

• Genuine PNR OEM high-pressure spray nozzle
• Part Number: 7605
• Versatile 25° fan spray pattern
• 40.0 orifice size for high-flow applications
• 1/4" MNPT connection
• Durable stainless steel construction
• Precision-machined for consistent spray performance
• Corrosion and wear resistant
• Excellent balance of cleaning power and surface coverage
• Designed for commercial and industrial pressure washing systems
• OEM-quality construction for long service life

Technical Specifications

Part Number: 7605

Manufacturer: PNR

Product Type: High-Pressure Spray Nozzle

Thread Size: 1/4" MNPT

Spray Pattern: 25°

Orifice Size: 40.0

Nozzle Size: 40.0

Material: Stainless Steel

OEM Replacement: Yes

Compatible Applications

Suitable for use with:

• Pressure washer spray guns
• Pressure washer spray wands
• Pressure washer lances
• High-flow commercial pressure washers
• Industrial cleaning equipment
• Fleet washing
• Heavy equipment cleaning
• Agricultural equipment cleaning
• Concrete and masonry cleaning
• Building exterior cleaning
• Large-scale pressure washing applications

Always verify the thread size, nozzle size, operating pressure, flow rate, and machine specifications before ordering.

Function of the Spray Nozzle

The PNR 7605 spray nozzle helps:

• Produce a controlled 25° high-pressure fan spray
• Deliver exceptionally high water flow with balanced cleaning force and broad coverage
• Remove dirt, grease, oil, mud, mildew, and heavy buildup from durable surfaces
• Maintain consistent operating pressure and water flow
• Improve cleaning productivity for demanding commercial and industrial applications

Its 25° spray pattern and 40.0 orifice are ideal for high-flow pressure washer systems cleaning heavy equipment, commercial fleets, agricultural machinery, industrial facilities, construction equipment, and large concrete surfaces.

Common Signs Replacement Is Needed

Replace the nozzle if you notice:

• Uneven or distorted spray pattern
• Reduced cleaning pressure
• Worn or enlarged orifice
• Clogged nozzle
• Damaged threads
• Corrosion or physical damage
• Increased water flow caused by nozzle wear resulting in pressure loss

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

Installation & Service Notes

• Turn off the pressure washer and relieve system pressure before replacing the nozzle.
• Verify compatibility with the 1/4" MNPT connection and 40.0 orifice size.
• Install the nozzle securely without overtightening the threads.
• Inspect the nozzle seat and threads for debris before installation.
• Test the spray pattern after installation to verify proper operation.
• Replace the nozzle if wear causes pressure loss or an inconsistent spray pattern.

Important: Match the 40.0 orifice size to your pressure washer's GPM and PSI specifications to maintain proper operating pressure and cleaning performance. The 25° spray pattern provides an ideal balance of concentrated cleaning force and broad coverage, making it one of the most versatile choices for high-capacity commercial and industrial pressure washer systems.

Maintenance Recommendations

• Flush the nozzle with clean water after each use.
• Inspect the orifice regularly for mineral deposits, debris, or wear.
• Clean clogged nozzles using an approved nozzle cleaning tool—avoid using wire or sharp objects that may enlarge or damage the precision orifice.
• Store the nozzle in a clean, dry location when not in use.
• Use only genuine OEM replacement nozzles to maintain proper spray pattern, operating pressure, and long service life.