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Comet Pressure Washer Pump Assembly, 4000 PSI, 3.5 GPM, Belt Drive, Gas/Electric, Model# RW 4040S

Item# A157134
Comet Pressure Washer Pump Assembly, 4000 PSI, 3.5 GPM, Belt Drive, Gas/Electric, Model# RW 4040S

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Comet Pressure Washer Pump Assembly, 4000 PSI, 3.5 GPM, Belt Drive, Gas/Electric, Model# RW 4040S

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$749.99

  • Shipping: 

    Available now

  • Store Pickup: 

    Not available - online only
  • Pre-plumbed and pre-tested
  • 3/8in. M-QC output connection
  • Thermal relief valve offers protection
  • Adjustable pressure to suit multiple applications
  • Fixed chemical injection

See full description

Complete Your Solution

  • Comet Pressure Washer Pump Assembly, 4000 PSI, 3.5 GPM, Belt Drive, Gas/Electric, Model# RW 4040S
  • Comet Pumps, COMET OIL 32OZ HG PRESS PUMP, Model# 81021801.00
  • NorthStar Pressure Washer Pump Freeze Guard, 12 Oz.
Price for all three:

$781.97

Frequently Bought Together

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Accessories

  • Warranty

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Product Summary

This Comet Belt Drive Pressure Washer Pump Assembly provides a fast changeover even in the field. Fits 4.75in. x 5.75in. mounting pattern. Bolts not included; use existing bolts from old pump to install new pump.

What's Included

    (1) Pressure washer pump assembly

Downloads

Product Manual

Features + Benefits

  • Pre-plumbed and pre-tested
  • 3/8in. M-QC output connection
  • Thermal relief valve offers protection
  • Adjustable pressure to suit multiple applications
  • Fixed chemical injection
  • Forged brass manifold/pump head and ceramic plungers for durability
  • Fits 4.75in. x 5.75in. mounting pattern

Key Specs

AttributeSpecification

item#

A157134

Brand

Comet Pumps

Manufacturer's Warranty

12 months parts/12months labor

Ship Weight

34.2 LB

Max. PSI

4,000
AttributeSpecification

GPM

3.5

Product Type

Pump

Shaft Diameter

24 in

Fuel Type

Natural Gas

Product Weight

30 lb

Reviews

Questions & Answers

9 Reviews This action will navigate to reviews.

Questions

1–5 of 5 Questions  
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  1. Is this pump handle hot water

    1 answer

    1. The max fluid temperature rating for this pump is 140° F.

      Helpful?

  2. Is this a 3.5 gpm or a 4gpm pump. On the comet website the RW 4040 S is listed as a 4.0gpm pump.

    1 answer

    1. This pressure washer pump is rated at 4000 PSI and 3.5 GPM.

      Helpful?

  3. What is the shaft diameter for pulley?

    1 answer

    1. This pump is equipped with a 24mm diameter shaft.

      Helpful?

  4. what size electric motor should be used with this pump. As in HP and max RPM's

    1 answer

    1. This pump requires an electric motor with at least 11 HP and a max RPM of 1,450.

      Helpful?

  5. What rpm is recommended for this pump

    1 answer

    1. This pump has a max RPM of 1,450.

      Helpful?

Accessories We Recommend

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Warranty

Manufacturer's Warranty

12 months parts/12months labor

Extend Your Warranty Coverage with a Northern Protection Plan (NPP)

Repair Plan — 1 Year

A Northern Protection Plan is available after adding the product to your shopping cart.

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Comet Pressure Washer Pump Assembly, 4000 PSI, 3.5 GPM, Belt Drive, Gas/Electric, Model# RW 4040S
4.4 out of 5 stars. 9 reviews

Comet Pressure Washer Pump Assembly, 4000 PSI, 3.5 GPM, Belt Drive, Gas/Electric, Model# RW 4040S

Item # A157134

$749.99