80146 – Simpson Cleaning 4500 PSI Universal Pressure Washer Nozzle Set (5-Pack) (Genuine OEM Spec) The Simpson Cleaning 80146 Pressure Washer Nozzle Set is a professional-grade 5-piece kit designed for high-performance cleaning applications with pressure washers rated up to 4500 PSI. Built for versatility and durability, this set allows users to quickly switch between multiple spray patterns to handle everything from delicate rinsing to heavy-duty surface cleaning. Featuring a 1/4-inch quick connect system, these nozzles provide fast, secure attachment to most standard pressure washer wands. Engineered for both hot and cold water use, the 80146 set is ideal for demanding residential and commercial cleaning tasks. Key Details: Manufacturer: Simpson Cleaning Part Number: 80146 Part Type: Pressure Washer Nozzle Set (5-Pack) Max Pressure Rating: Up to 4500 PSI Connection Type: 1/4" Quick Connect Water Compatibility: Hot and Cold Water Material: Heavy-duty, corrosion-resistant construction Nozzle Spray Angles Included: 0° (Red): Concentrated high-pressure stream for tough stains and concrete 15° (Yellow): Heavy-duty cleaning for hard surfaces and paint prep 25° (Green): General-purpose cleaning for decks, patios, and driveways 40° (White): Light cleaning for vehicles, siding, and delicate surfaces Soap (Black): Low-pressure detergent application Compatibility: The Simpson 80146 nozzle set is compatible with: Most gas and electric pressure washers up to 4500 PSI Standard spray wands with 1/4-inch quick connect fittings Simpson and other major pressure washer brands Who is this for? Professional cleaning contractors Homeowners with high-powered pressure washers Users needing versatile cleaning solutions across multiple surfaces Property Size (Recommended): Suitable for all property sizes Ideal for residential, commercial, and industrial cleaning applications Pros / Cons: Pros: Supports higher PSI systems up to 4500 PSI Includes 5 spray patterns for maximum flexibility Quick connect design for fast nozzle changes Durable construction for long-term professional use Cons: High-pressure settings require careful use to avoid surface damage Not compatible with non-standard connection systems Comparison (vs 3600 PSI Nozzle Set – 80145): 80146 (4500 PSI): Higher pressure capacity, ideal for heavy-duty and commercial use 80145 (3600 PSI): Better suited for standard residential pressure washers The 80146 set is the preferred choice for high-powered machines and demanding cleaning jobs. Why Buy from Barry’s? High-quality Simpson Cleaning OEM-spec accessories Fast shipping and reliable stock availability Trusted supplier for pressure washer parts Expert support for product compatibility and selection