Comet ZWD4040G, 4 GPM - 4000 PSI, Gas Flange Triplex Pump Made Ready w/ VRT3-310EZ Unloader, Bypass, & Thermal Relief

FEATURES:

• Increased fin depth increases surface area to maximize heat dissipation
• Stainless steel unitized check valves
• Heat resistant solid ceramic plungers operating on lubricated packings
• Direct Drive mounting flange
• Reinforced crankcase for increased load capacity
• Enlarged crankcase increases oil capacity for better lubrication and lower operating temperatures
• One piece industrial grade oversized bronze connecting rods
• Includes Thermal Relief Valve and VRT 3 Unloader with fittings

SPECIFICATIONS:

• Maximum flow: 4.0 GPM
• Maximum pressure: 4000 PSI
• Maximum pump speed: 3400 RPM
• Shaft size: 1"
  
• Inlet port thread: 1/2" FPT
• Discharge port thread: 3/8" FPT
• Crankcase oil capacity: 11 oz.
• Weight: 24 lbs.

About Expert Power Wash

Expert Power Wash is built and operated by Tim and Kristina — a team passionate about giving
pressure washing professionals the best equipment available. Every skid is hand-built in Oregon City, OR, with a focus on quality, reliability, and ease of use in the field.

Our goal is to source 95% of the parts we use from the USA. We distribute across 24 states, Canada, and overseas — backing every unit with a lifetime warranty and personal customer support. We don't just sell equipment; we help you build a successful business with hands-on training and ongoing guidance

Shipping & Pickup

We recommend in-person pickup in Oregon City, OR — this includes a free 2-hour
hands-on training session so you leave confident operating your skid. Transport
shipping is also available and coordinated directly with you.