When choosing a blue soft wash gun, the right combination of flow, pressure, and durability can dramatically improve outdoor cleaning tasks. This guide highlights five high-flow, low-pressure blue wash guns ideal for patio, structure, and surface cleaning. Each option features robust construction, comfortable handling, and adjustable spray angles to tackle a range of jobs.
| Product | Flow | Pressure | Inlet/Thread | Notable Feature |
|---|---|---|---|---|
| Blue High Flow Rear Entry-YG1635S | 16 GPM | 350 PSI | 1/2″ BSP-F | Stainless steel internal, adjustable nozzle 0°-60° |
| General Pump YG1635S | 16 GPM | 350 PSI | 1/2″ BSP-F | High-volume, low-pressure design |
| Baquler Blue High Volume | 16 GPM | 350 PSI | 1/2″ BSP | Brass internals, 360° swivel, 0°-60° nozzle |
| General Pump RB35 | 13.2 GPM | 175 PSI | 1/2″ (inlet/outlet) | Low-pressure, moderate flow |
| Sutter ST-510 | 18 GPM | 362 PSI | 1/2″ NPT | Roof/house soft washing |
The following sections provide detailed overviews of each blue soft wash gun, including construction, performance, and application notes to help you compare options quickly and make an informed decision.
Blue High Flow Rear Entry-YG1635S Soft Wash Gun

This blue soft wash gun delivers 350 PSI and 16 GPM, designed for high-flow cleaning with a sturdy 1/2-inch BSP-F inlet. The stainless steel internal structure enhances longevity, while a rubber cushion on the handle reduces fatigue during extended use. An adjustable conical nozzle lets you switch from a narrow 0° spray for spot cleaning to a wide 60° for broad surface cleansing. The rear-entry design suits heavy-duty outdoor cleaning on patios, structures, and other hard surfaces. It withstands temperatures up to 195°F, making it versatile for various soils and grime without compromising integrity.
General Pump YG1635S High Volume Gun

General Pump’s YG1635S focuses on high-volume, low-pressure performance with 16 GPM at 350 PSI and a 1/2-inch BSP-F inlet. The design emphasizes dependable performance for continuous rinse-down tasks, making it a solid choice for large outdoor areas where efficiency matters. The gun’s robust construction balances durability with user comfort, enabling repeated passes across patios or structuring surfaces without excessive fatigue.
Baquler Blue High Volume Soft Wash Gun

The Baquler soft wash gun combines 350 PSI with 16 GPM and a 1/2″ BSP inlet, built to endure heavy cleaning workloads. Brass internal components ensure durability, while a 360-degree rotating water inlet and shock-resistant rubber handle reduce fatigue and protect contact surfaces during operation. The adjustable conical nozzle supports 0° to 60° spray angles, enabling precise spot cleaning or broad coverage for car washes, patios, or poolsides. This model is noted for a balanced mix of ruggedness and user comfort.
General Pump RB35 High Volume Gun

General Pump RB35 is a high-volume, low-pressure wash-down gun rated at 13.2 GPM and 175 PSI, suitable for large surface rinsing tasks without excessive water pressure. The 1/2-inch inlet/outlet configuration provides straightforward compatibility with many pressure washer setups. This gun is well-suited for structures, driveways, and other broad-cleaning jobs where a steady, moderate flow is advantageous for efficiency and surface safety.
Sutter ST-510 Chemical Spray Gun

The Sutter ST-510 focuses on chemical spray applications with 18 GPM at 362 PSI and a 1/2″ NPT inlet/outlet. This gun is tailored for roof soft washing and house cleaning, where chemical delivery and robust flow are essential. Its sturdy build supports consistent chemical mixing and distribution while maintaining reliable performance under typical field conditions.
Buying Guide
- Flow and pressure balance: For soft wash tasks, prioritize models delivering high flow (GPM) at a moderate PSI to avoid surface damage while efficiently removing dirt and grime.
- Inlet and compatibility: Check thread size (common 1/2″ BSP-F or NPT) to ensure compatibility with your existing hoses and fittings. Rear-entry designs can offer flexible handling for extended cleaning sessions.
- Materials and durability: Brass internals and stainless steel components increase longevity under high-volume use. Rubberized handles improve grip and reduce fatigue.
- Adjustable spray: A nozzle with 0° to 60° adjustment provides versatility for spot cleaning and wide-area rinsing. Look for easy adjustment mechanisms that stay secure during use.
- Application fit: Select based on primary tasks—house and roof soft washing, car and patio cleaning, or general rinse-downs. Some models are better suited for chemical applications.
- Maintenance considerations: Consider ease of disassembly for cleaning and replacement of worn parts. Durability attributes are especially important for frequent outdoor use in varied weather.
- Safety and temperature: Ensure the gun can handle typical operating temperatures (up to ~195°F) to avoid breakdowns when tackling greasy or baked-on residues.
When comparing options, consider which features align best with your most frequent tasks: high flow for large areas, adjustable angles for targeted cleaning, and durable construction for long-term reliability. The included models offer a spectrum of capabilities, from everyday patio cleaning to specialized roof or chemical applications, allowing you to select a blue soft wash gun that fits your needs without compromising performance.