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Repair & Re-Certification Price List For Mid-West Instrument Model 830, 835, 845 & non-Mid-West Instrument Units. 

Note: Mid-West provides a 5 year warranty from date of manufacture. Filters must be in the unit when received or warranty will be void. Conbraco's warranty is 1 year from release to field.

Services and Pricing


Verify instrument is in calibration, affix calibration certification label, provide calibration certificate and issue test report with gauge reading.


UNIT CALIBRATION Minor repairs /cleaning to correct any minor problems found which limits ability to calibrate. $49.00
STANDARD REPAIR Includes Re-certification. Requiring (any or all) cleaning, re-calibration, lens, fitting and or valve replacement, etc. $184.00
MAJOR REBUILD for 830/845 Includes Re-certification. Standard repair plus diaphragm replacement. Includes diaphragm. $284.00

Average turn around is 1 working day for re-certification only. Standard and Major Repairs average 2-4 working days. 
Please add $20.00 for return shipping and handling. Call 704-522-9873.

Why Test Each Year?

See what the Mid-West says about the time sensitive recertification process. Recommended Interval for Checking the ...

Shipping Instructions

Certification Program Shipping Instructions for Backflow Unit  The following information is a courtesy that ...


If you are planning to send in your kit please fill out and submit the following form. This will pre-register your ...

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