In this section you will find the necessary warranty information for all Comet diaphragm and high pressure plunger pumps. If you are in need of submitting a warranty form, you can find the necessary forms and information below. If there is additional questions, give us a call at 800-864-1649 or send an email via our Contact page.

What Kind of Warranty Is On a Comet Diaphragm Pump? + -

All Comet diaphragm pumps are backed by a one year warranty on manufacturing defects in the pump.

What Kind of Warranty Is On a Comet Plunger Pump? + -

There are several warranty time frames across the available Comet plunger pumps.

  • BW/EWD/LW/AW/ZW/FW2/RW/SW/TW – Five year warranty
  • AXD – Two year warranty
  • BXD, VRX – One year warranty
What Voids A Warranty On A Comet Pump? + -

A warranty can be voided for a Comet diaphragm or high pressure plunger pump in the following ways:

  • Over-excessive speeds, pressures, temperatures or handling fluids not compatible.
  • Freight or freezing damage.
  • Damaged caused by parts or accessories not obtained or approved by Comet.
  • Previous service or repairs were performed by unauthorized individuals or companies.
  • Damage or miss-use and/or misapplication.
  • Normal wear of moving parts or components affected by moving parts.
  • Any pump that has been repaired or altered to affect the performance or reliability of the pump.


Comet Warranty Form + -

Below is a link to a PDF version of our Comet warranty form. Fill out all necessary fields and submit the warranty form to jdenn@valleyind.com.