ISO 17025:2005
MARSH GROUP / ACCREDITED CALIBRATION - ISO 17025
/ Backflow Test Kits - Calibration & Certification

Marsh Metrology is now a factory authorized service provider for Mid-West*, Conbraco and Zurn Backflow Test Kits.

Calibration Statement: Marsh performs a complete evaluation of the test kits including disassembly, cleaning, leak checks on hoses and valves, replacement of worn seals and seats, adjustment & calibration to manufacturer's original specifications and performance of a full pressure test. A certificate traceable to NRC/N.I.S.T. is provided with 'as found' and 'as left' data. In addition we offer an Accredited Calibration Certification to ISO 17025:2017 where applicable.

Benefits include:

  • Five day turn-around or better
  • Calibrations compliant to AWWA/OWWA  & CSA B64.10.1-07
  • Repair and Service to all analog and digital Backflow Test Kits

Call us to discuss your calibration needs and service requirements at 1-888-800-2624 x 3027 or email us at info@marshmetrology.com .

*Marsh Metrology can also provide Mid-West instrument Backflow Test kits. To download a current brochure click here. To visit the Mid-West Instrument Backflow Test Kit website and see video of typical systems, click here.

We believe  - Quality Starts and Ends with People, making Marsh Metrology Known and Remembered for our Quality of Service

Backflow Test Kits - Calibration & Certification