Gas Roof Pump Kit – Honda P40 with Pull Start

• • Not for sale in California due to california carb regulations.

  The Gas Roof Pump Kit with Honda P40 pull Start is a professional softwash system built for roof cleaning, house washing, and exterior surface treatment. Powered by a dependable Honda gas engine, this kit is paired with the P40 diaphragm pump to deliver strong, consistent flow and excellent chemical resistance. The pull start feature ensures quick, hassle-free operation, making it ideal for contractors who need efficiency, durability, and performance on every job.

  Key Features & Specs:

  • Pump: P40 Diaphragm Pump
  • Engine: Honda gas engine with pull start
  • Heavy-duty construction with chemical-resistant components
  • Reliable and consistent flow for softwash applications
    
  • Perfect for applying bleach mixes, surfactants, and cleaning solutions
  • Designed for professional roof cleaning, house washing, and exterior restoration
  • Built to handle daily use in demanding environments

  The Gas Roof Pump Kit – Honda P40 Pull Start is the ultimate solution for softwash contractors who want power, reliability, and convenience in one system.

  This DIY Kit Includes:

  • Honda P40 Softwash System with New Style P40 Pump
    
  • Waterboss Gun
  • 1/2" MPT Plug (For waterboss gun)
  • 1/2" FPT Socket (For end of hose)
    
  • P40 Installation Kit 
    • DIY 3 Valve Cyclone Proportioner, 1" SH, 1" Water, 1/2" Soap Valves
    • (3) 1" Uniseals
    • (1) 1/2" Uniseal
    • (3) Drop Tube Filters
    • (4) 1" Start Hose Barb
    • (1) 1" 90 Degree Hose Barb
    • Manual 1" 3 Way Flush Valve
    • 10ft of 1/2" Suction Hose (Soap Line)
    • 30ft of 1" Blue Suction Hose (Water + SH Suction Lines)
    • 25ft of 3/4" Bypass Hose (Solid color)

   

This kit does NOT include:

Hose Reel (Must be stainless manifold - we recommend 12" for 200' of 1/2", 18" for 200' of 5/8" or 300' of 1/2")

Softwash Hose (We recommend stainless steel crimps and either 1/2" or 5/8" for max flow)

For Installation, see our Gas Roof Pump Plumbing diagram for how to assemble.