Mid-West 835 Backflow Test Kit

Mid-West 835 TEST KIT

Regular price $ 1,200.00 Sale price$ 1,125.00 Save $ 75.00


Ordered in from factory as requested.  Don't get many requests for these and don't want warranty and calibration running down on the shelf.  The 845-5 gauge is the exact same gauge as the 835.  Only difference is two brackets put on the gauge so it can be mounted into the carrying case.

845-5 is the more common gauge and less expensive. 

This gauge comes calibrated from the factory!

Leave in the Case or Remove it with ease
One pull of the latch pin and it’s out.

Functions and Applications:
Model 835 (5) valve kit provides the capability for testing all brands of reduced pressure principle, pressure vacuum breaker and double check valve backflow prevention assemblies.

∆P RANGE: 0-15 PSID / 0-100 KPA

Product Features/Benefits

  • Over 30 Years of Input from Backflow Technicians
  • Tests can be performed with gauge mounted in the case or removed
  • Quick Release Latch Pin Mechanism
  • (5) Valve Test Kit
  • Specially Designed for Testing Backflow Prevention Assemblies
  • Soft-Seated Brass Needle Valves (with replaceable valve seats)
  • Test kit is protected with 90 micron filters to minimize plugging with scale, sand, etc. Filter elements can be cleaned or replaced
  • Durable Molded Plastic Carrying Case with Removable lid
  • Test Procedures are Laminated in Clear Plastic
  • 5 Year Warranty


    • Gauge Type Diaphragm Differential Pressure
    • Dial Size & Range (4-1/2") 0-15 PSID / 0-100 KPA
    • Differential Pressure Accuracy ± .2 P.S.I.D. (Descending)
    • Working Pressure: 200 PSIG
    • Body Material: Glass Reinforced Engineering Thermoplastic.
    • Wetted Internals: EP Elastomers, Brass and 316 S.S. Metal Parts
    • Line Pressure Gauge: 1-1/2" 0-200 PSIG
    • Hoses & End Fittings: Buna-N jacket and liner. Schrader 1/4" brass coupler -
    • Hose Length: Three (3) each / 5' long (color-coded)
    • Bleed Tube, One each / 4' long clear bleed tube
    • Adaptor Fittings: (3) sets of brass fittings provided for hookup to all standard size test cocks
    • Gauge Weight: 3.6lbs / 1.6kg
    • Weight, Gauge & Case combined: 11.6lbs / 5.2kg
    • Case: Polyethylene
    • Size: 16"H x 14"W x 8-3/4"D
    • Temperature Limitations: Maximum 150°F/65°C


    It is capable of performing all known test procedures including those recommended by ASSE, AWWA, CSA, FCCC and HR-USC and NEWWA.

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