Backflow Preventers
backflow preventers — pre-owned
Browse 158 backflow preventers — pre-owned on eBay — listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.
Watts TK9-A Backflow device tester
Apollo Valves 40200TK5U 40-200-tk5u Conbraco 5 Valve Test Gauge Kit Tk5
WATTS Reduced Pressure Zone Assembly LF909M1-QT RP 1-1/4" 0391010 Excellent Unit
WATTS Backflow Preventer: 009, Std Configuration, used, 1/2 in Pipe Size, FNPT
Watts Brass & Tubular #9D-M3 1/2 1/2" Backflow Preventer
Backflow Parts USA Quick Test Fitting Set (9 Pieces)
Mid-West Instruments 835 backflow test kit
Mid-West Instrument USA Model 890 Double Check Test Valve Kit
WATTS REGULATOR 9D-M2-3/4 Backflow Preventer
Mid-West Instrument 845 Backflow Test Kit w/ Case
Watts TK 9A back flow preventer test kit
Conbraco 40107T2 40-107-T2 Backflow Preventer 1-1/2" with Ball Valves **Used**
Mid-West Instrument USA Model 890 Backflow Test Kit Nice!
Half Inch Stainless Steel 009 – Qt Backflow Preventer Watts
MID-WEST Model 830 RP Valve Test Kit Backflow Prevention Tester Gauge Set
UNBRANDED BACKFLOW PREVENTER SIZE: 3" PART NUMBER: 101205-J W/WATTS BALL VALVE
Zurn Wilkins 3/4" 975X Reduced Pressure Principle Backflow Preventer
LF009-QT 1/2" Backflow Preventer Reduced Pressure Zone
Watts 2-in Reduced Pressure Zone Backflow Preventer Assembly RPZ 009 M1-QT-FS 2
Watts 1/2" 9D M3 Dual Check Backflow Preventer w/ Atmospheric Vent 175PSI 235D
Watts TK-99E Backflow Testing Kit
Watts Regulator U009 - 1 inch Union W / Elbows Back Flow Preventer (Not Tested)
Mid-West Backflow Preventer Test Kit Model 830
Rain Bird 8534A Dual Check (DCV) Backflow Preventer
Mid-West Instrument Model 890 Backflow Test Kit
Watts bronze 3/4-inch pressure reducing backflow preventer. Model 009-M2 QT
Watts 1/2" 9D M3 Dual Check Backflow Preventer w/ Atmospheric Vent 175PSI 235D
Zurn Wilkins 975XL Brass Backflow Preventer
Conbraco Backflow Test Gauge Mid-West Instruments 141AC-02-00 Used Untested
Integral Accumulator 032-1315-013-611, 250 bar
TK-9A Backflow Preventer Test Kit Gently Used A few Times
WATTS REGULATOR 9D-M2-3/4 Backflow Preventer
Zurn 975XL2 2 in RPZ Backflow Preventer Manual Valve
Watts 3/4" 9D M2 Backflow Preventer Dual Check Valve w/ Atmospheric Vent 242B
WATTS TK9A Backflow Preventer Test Kit "VERY NICE"
Febco 825Y 3/4 in RPZ Backflow Preventer Valve for Sprinkler System
Midwest Back flow test kit. Model 835
Zurn Wilkins 375 Reduced Pressure Zone Backflow Preventer Manual Water Valve
WATTS REGULATOR 9D-M2-3/4 Backflow Preventer (TA4MS)
Zurn Aquaflush Flush Valve 1.0 Gallon Per Flush, Z6003-WS1-YB-YC, Chrome. Used