We specialize in products for the backflow industry.

This includes maintaining stock of backflow repair kits, assemblies, ball valves, gate valves and some instances individual parts. We also stock cages and test equipment.

Mid-West 845-5 Backflow Test Kit Mid-West 845-3 Backflow Test Kit Mid-West 835 TEST KIT Mid-West 845-2 Valve Test Kit Mid-West 830 5 Valve Test Kit

Test kits

Backflow Test Kits

We mainly sell the MidWest Brand test kits but will sell Watts as requested. Buy with confidence from an authorized repair and calibration center.

Shop Now

Backflow Supply

Our specialty

 Stocking repair kits for all current makes, models, and sizes of backflow preventers and some that are not produced any longer. Perhaps most importantly we have the knowledge to help you with trouble shooting backflow assembly problems.

Show More

What our customer say.

Awesome service! Has a great inventory, and is very knowledgeable. Our company deals with Backflow Supply on a daily basis and we've never had any problems!

Jace Hansen

Sean is awesome. Great customer service. He even stayed late so we could pick up a part. Thanks a million Sean!

Shanon Myers

Part of my backflow cracked this year, I went to sprinkler world and it was going to run me $100 for one valve. I brought the same piece to these guys and it ran me $50. Installed it this weekend and everything runs great. Thank you!

Lance Monson

Friendly, helpful, and prompt. Great service, thanks Sean!

Keith Roper

This is where they treat you like friends and make you feel important. Backflow Supply ROCKS!

Leslie Wilder

Great experience. They provided expert and honest feedback about my problem and did not try to sell me anything I didn't really need.

Alex Martinez
Midwest 845-5 backflow test kit
Mid-West 845-5 Backflow Test Kit
Mid-West 845-5 Backflow Test Kit
Midwest 845-5 backflow test kit
Mid-West 845-5 Backflow Test Kit
Mid-West 845-5 Backflow Test Kit
MIDWEST

Mid-West 845-5 Backflow Test Kit

12 Reviews $ 765.00 $ 729.00
-71 in stock

845-5 Backflow Test kit.

11/12/19 Status.  Just sold the last one!  This batch didn't last long.  My replacement order just shipped today.  Anticipated delivery date will be 11/18/19, Monday.  

If you want to reserve one and can wait until Monday for it to ship please go ahead and order it.

The 845-5 is in the list of Acceptable gages from Both FCCC & HR-USC and CA-NV AWWA 

Functions and Applications:
Model 845-5 (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
  • (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
  • Portable / Removable from Case
  • Durable Molded Plastic Carrying Case
  • Improved Case with Storage Compartments for Fittings & Tools
  • Test Procedures are Laminated in Clear Plastic
  • 5 Year Warranty

Comes with gauge, hoses with filters (Red, Blue, and Yellow), carrying case, set of MIP adapters (3 of 1/4" adapters, 3 of 1/2" bushings, 3/4" bushings),strap to hang around your neck or over a pipe.

It comes calibrated from the factory, usually no more than 2-4 weeks old but there may be some exceptions.

Mid-West 845-3 Backflow Test Kit
Mid-West 845-3 Backflow Test Kit
Mid-West 845-3 Backflow Test Kit
Mid-West 845-3 Backflow Test Kit
Mid-West 845-3 Backflow Test Kit
Mid-West 845-3 Backflow Test Kit
MIDWEST

Mid-West 845-3 Backflow Test Kit

1 $ 765.00 $ 729.00
-31 in stock

11/14/19 STATUS UPDATE
JUST SOLD THE LAST KITS I HAD ON THE SHELF.  ANTICIPATE REPLACEMENT ORDER ABOUT 11/22/19.  IF YOU WANT TO RESERVE ONE GO AHEAD AND ORDER IT AND WE WILL SHIP IT THE SAME DAY RECEIVED.

MID-WEST 845 3 VALVE TEST KIT.  Tests all testable backflow. Buy with confidence from an authorized Mid-West repair and calibration center. 

Comes with gauge, hoses with filters (Red, Blue, and Yellow), carrying case, set of MIP adapters (3 of 1/4" adapters, 3 of 1/2" bushings, 3/4" bushings),strap to hang around your neck or over a pipe.

This comes with a 5 year warranty.

It comes calibrated from the factory, usually no more than 2-4 weeks old but there may be some exceptions.

RP4A COMPLETE REBUILD KIT 1" PART# 4A00510
Apollo

Apollo RP4A Complete Rebuild Kit 1"

2 $ 160.93 $ 112.65
-15 in stock

1" RP4A Complete Internals For Both Checks and Relief Assembly. This Complete Kit has all you need but if you have any question please reach out. PART# 4A00510  

RP4A ALL INTERNAL COMPONENTS FOR BOTH CHECKS AND RELIEF VALVE 3/4" PART # 4A00410
Apollo

4A00410 3/4" RP4A/RPLF4A COMPLETE INTERNALS REPAIR KIT

$ 160.93 $ 112.65
-13 in stock

PART# 4A00410  RP4A AND FOR THE LEAD FREE VERSION, RPLF4A, ALL INTERNAL COMPONENTS FOR BOTH CHECKS AND RELIEF VALVE 3/4"

Zurn Wilkins Backflow Assemblies