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The cost for your RPZ valve certification is $55.00.

All RPZ valve certifications must be prepaid.  Please click on the link below to pay online using your Visa, Mastercard, Discover, or Paypal account:

Other prepayment options:
  • Call our office at (815) 464-6801 to pay by Visa, Mastercard, or Discover
  • Mail a check for $55 payable to Krupske Sprinkers to:
Krupske Sprinkler Systems, Inc.
PO Box 1537
Frankfort, IL 60423

Your RPZ request will remain in our waiting list until payment is received.  After payment has been received we will test your valve within the next 10 business days (Monday-Friday).  After your RPZ valve has been tested we will leave a copy of the certification for your records and we will forward a copy to your village.