pressure washing business guide

Gas Soft Wash Pump | Gas Roof Pumps

Gas Soft Wash Pump

Answering Your Questions About Gas Soft Wash Pumps | Comet P40 vs AR45 Soft Wash Pumps

Gas soft wash pumps have become much more popular ever since Leon Johns began making his popular videos to social media. Watch this video to hear Leon Explain more his Gas Roof Pump system.

Different Types Of Gas Soft Wash Pumps

There are a few different popular variations of gas roof pumps currently on the market. I will cover some of the most popular pumps in this article. Two of the most popular gas soft wash pumps available now are the Comet P40 Pump and the AR45 Pump. Learn about some of the pros and cons of each pump here.

AR45 Gas Soft Wash Pump

Pump Specs:

  • Max flow: 11.4 gpm
  • Max pressure: 290 psi
  • Includes GS25 pressure regulator and AR31185 gearbox with 3/4" hollow shaft for mounting on 5 to 6.5 hp gas engines
  • Port sizes: 1-1/4" HB inlet, (2) 1/2" HB outlet, 3/4" HB bypass
  • Pump shaft rotation: CW and CCW
  • Diaphragms: 3, semi-hydraulic, Viton
  • Housing: Anodized aluminum
  • Head & Manifolds: Polypropylene
  • Max fluid temperature: 140°F
  • Weight: 40 lbs

Click here to view pump on Sprayer Depot:

Comet P40 Soft Wash Pump

Pump Specs:

  • Max flow: 11 gpm
  • Max pressure: 300 psi
  • Max rpm: 550
  • Horsepower required: 3.0
  • Includes pressure regulator and gearbox with 3/4" hollow shaft for mounting on 5 to 6.5 hp gas engines
  • Port sizes: 1" HB inlet, 3/4" outlet, 1/2" HB bypass
  • Pump shaft rotation: CW and CCW
  • Max fluid temperature: 140°F
  • Weight: 31 lbs
  • Electric Start Engine:
  • Engine type: Air-cooled 4-stroke OHV
  • Starting sytem: Electric and recoil starter
  • Shaft: 3/4" solid keyed
  • Bore x stroke: 68 x 45 mm
  • Displacement: 163 cm3
  • Net power output: 4.8 HP (3.6 kW) @ 3600 rpm
  • Net torque: 7.6 lb-ft (10.3 Nm) @ 2500 rpm
  • PTO shaft rotation: Counterclockwise from PTO shaft side
  • Compression ratio: 9.0 : 1
  • Lamp/Charge coil options: 25W, 50W / 1A, 3A, 7A 
  • Carburetor: Butterfly
  • Ignition system: Transistorized magneto
  • Lubrication system: Splash
  • Governor system: Centrifugal mechanical
  • Air cleaner: Dual element
  • Oil capacity: 0.61 US qt. (0.58 L)
  • Fuel tank capacity: 3.3 US qts (3.1 liters)
  • Fuel: Unleaded 86 octane or higher
  • Dry weight 33 lbs (15.1 kg)
  • Dimensions: 12.2 in long x 14.3 in wide x 13.6 in high (312 x 362 x 346 mm)
  • Warranty: 3 year commercial warranty (limited to manufacturer defects)
By Eli puchalsky February 19, 2025
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By Eli puchalsky February 19, 2025
Why Use Our Free Online Price Tool? Instant Estimates, No Hassle Gone are the days of waiting for quotes or making endless phone calls. Our online price calculator provides instant estimates based on your specific location and property details. Simply enter your information, and you’ll receive a realistic price range in seconds. Transparent Pricing No hidden fees or surprises! Our tool breaks down the costs so you know exactly what to expect. Transparency is key to building trust, and we want you to feel confident about your investment. Save Time and Effort Researching pressure washing services can be time-consuming. Our calculator streamlines the process, allowing you to compare prices and services without leaving your home. It’s a quick and efficient way to plan your project. Tailored to Your Location Pressure washing costs can vary depending on where you live. Our location-specific calculators are designed to provide accurate estimates for your area. Whether you’re in Florence, AL, or Columbia, TN, we’ve got you covered! Budget-Friendly Planning Knowing the cost upfront helps you budget effectively. Whether you’re planning a one-time cleaning or regular maintenance, our tool ensures you’re financially prepared. No Obligation to Commit Using our calculator is completely free and comes with no strings attached. It’s a risk-free way to explore your options and make an informed decision.
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