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Comet P 40 Series Diaphragm Pump

Elevate performance with the Comet P 40 Series, a robust diaphragm pump delivering up to 11–14.5 GPM at 300 PSI—ideal for high-volume, low-pressure applications in soft washing, agricultural spraying, pest control, and turf care. Self-priming up to 8 feet and built tough with chemical-resistant polypropylene and optional Desmopan diaphragms, this pump is engineered for durability and efficiency.

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Product Specs

  • # of Diaphragms: 3 
  • Max RPMs: 550
  • Max GPM: 11.0
  • Max PSI: 300
  • Max HP: 2.3
  • Oil Capacity: 30.4 fl oz

Product Label

P-40 Series Owners Manual

Product Specs

  • # of Diaphragms: 3 
  • Max RPMs: 550
  • Max GPM: 11.0
  • Max PSI: 300
  • Max HP: 2.3
  • Oil Capacity: 30.4 fl oz

What Our Client’s say

Tammy P

They are very knowledgeable and customer service oriented. If you need to kill bugs or weeds/vines, this is the place to go. All you need to know is what you want to get rid of and they will point you in the right direction. The facility isn't fancy, but you..

( 2.0 Star Rating)

Marcia D

We have been customers for years, I wouldn’t consider going anywhere else. Wendy and her husband will figure out what you need for you pest issues and they take the time to explain everything to make sure you use the product safely.

( 4.0 Star Rating)

Tammy P

They are very knowledgeable and customer service oriented. If you need to kill bugs or weeds/vines, this is the place to go. All you need to know is what you want to get rid of and they will point you in the right direction. The facility isn't fancy, but you..

( 5.0 Star Rating)

Gerrin O

The lady that helped me was very helpful and answered every question I asked her. She also helped me find what I needed for the problem I was having. I highly recommend this company The lady that helped me was very helpful and answered every question I asked her. She..

( 5.0 Star Rating)

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