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Backflow Repair Parts
- Ames
  
  1/4"
  3/8"
  1/2"
  3/4"
  1"
  1 1/4"
  1 1/2"
  2"
  2 1/2"
  3"
  4"
  6"
  8"
  10"
  12"
- Conbraco/Apollo
  
  1/4"
  3/8"
  1/2"
  3/4"
  1"
  1 1/4"
  1 1/2"
  2"
  2 1/2"
  3"
  4"
  6"
  8"
  10"
  12"
- Deringer
  
  2"
  2 1/2"
  3"
  4"
  6"
  8"
- Febco
  
  1/2"
  3/4"
  1"
  1 1/4"
  1 1/2"
  2"
  2 1/2"
  3"
  4"
  6"
  8"
  10"
- Hersey
  
  3/4"
  1"
  1 1/4"
  1 1/2"
  2"
  2 1/2"
  3"
  4"
  6"
  8"
  10"
- Watts
  
  1/4"
  1/2"
  3/4"
  1"
  1 1/4"
  1 1/2"
  2"
  2 1/2"
  3"
  4"
  6"
  8"
  10"
  12"
- Wilkins
  
  1/2"
  3/4"
  1"
  1 1/4"
  1 1/2"
  2"
  2 1/2"
  3"
  4"
  6"
  8"
  10"
  12"
- Shop All Backflow Repair Parts
Backflow Devices
Installation Accessories
- Air Gaps
- Bypass Meters
- Valve Setters
  
  Ames
  Febco
  Watts
  Wilkins
- Enclosures
  
  Aluminum Enclosures
  Heat Wires
  Roof Heat Wires
  Insulated Pillows
  WattsBox
- Fire Thread Adaptors
- Strainers
  
  Ames
  Febco
  Watts
  Wilkins
- Flange Packs
- Test Cocks
- Tools & Accessories
- IOT Kits
- LF NPT Pipe Fittings
  
  Fittings
  Nipples
  Hose Bibbs
- Valve Stands
- Shop All Installation Accessories
- Pressure Reducing Valves
- Pressure Relief Valve
- Tamper Switch
Test Kits & Calibrations
- A'la Carte Calibrations
- Calibration Packages
  
  Silver
  Platinum
  Gold
- Backflow Test Kits & Accessories
  
  Arbiter
  Mid-West
  Watts
- Adapters
- Hoses
- Test Cocks
- Cases
- Flow Switches
- Shop All Test Kits & Calibrations
Shutoff Valves
- Ball Valves
  
  Ames
  Febco
  Watts
  Wilkins
  Matco Norca
- Butterfly Valves
  
  1"
  1 1/4"
  1 1/2"
  2"
  2 1/2"
  3"
  4"
  6"
  8"
  10"
- Gate Valves
  
  2 1/2"
  3"
  4"
  6"
  8"
  10"
  12"
- Gear Operated Ball Valves
- KV Repair Parts
  
  Cover O-Rings
  NRS Models
  OSY Models
  Packing Parts
  Packing Tools
- Pressure Reducing Valves
  
  Watts
  Wilkins
- Soft Seated Checks
  
  1/2"
  3/4"
  1"
  1 1/4"
  1 1/2"
  2"
- Test Cocks
- Shop All Shutoff Valves
Fire Products
PPE, First Aid & Tools
- Consumables
  
  Absorbent Materials
  Batteries
  Brushes
  Flashlights
  Lubricants, Cleaners & Chemicals
  Paper Products
  Pens, Paint & Markers
  Pest & Insect Control
  Sanitizer/Hand Cleader
  Wipes
  Zip Ties
- First Aid
  
  AED
  Bandages
  Eyewash
  Kits
  Other
- Personal Protective Equipment
  
  Coveralls
  Glasses
  Gloves
  Hard Hats & Accessories
  Hearing Protection
  Hi-Viz
  Other
  Sqwincher
  Sun & Heat Protection
  Hydration Solutions
- Tools & Storage
  
  Bins, Bags & Cases
  Cutting Tools
  Drills & Bits
  Extension Cords
  Hammers
  Jacks
  Locks
  Other
  Pipe Wrenches
  Pliers
  Screwdrivers
  Sockets
  Tape Measures
  Wrenches
  Tool Chests
  Extractors
  Pry Bars
  Tool Kits
- Traffic Products
  
  Fuel Cans & Funnels
  Hazard Tape
  Other
  Traffic Cones
  Traffic Control
- Shop All PPE, First Aid & Tools

Home
Backflow Devices - Febco - DCDA - Double Check Detector Assemblies - 4" - 856 Series

Collection: Backflow Devices - Febco - DCDA - Double Check Detector Assemblies - 4" - 856 Series

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9 products

4 856STDCDA-DOSY-GPM

4 856STDCDA-DOSY-GPM

Regular price $10,191.75

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Item #: 0683090
Availability: Special Order
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4 LF856-LG-GPM

4 LF856-LG-GPM

Regular price $6,707.25

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Item #: 0124428
Availability: Special Order
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4 LF856-DOSY-GPM

4 LF856-DOSY-GPM

Regular price $10,725.10

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Item #: 0124443
Availability: Special Order
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4 LF856-OSY-GPM

4 LF856-OSY-GPM

Regular price $10,723.35

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Item #: 0124442
Availability: Special Order
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Febco 4" LF856 Less Gates

Febco 4" LF856 Less Gates

Regular price $6,376.50

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Item #: 0122899
Availability: Special Order
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Febco 4" LF856 OS&Y Gate Valves

Febco 4" LF856 OS&Y Gate Valves

Regular price $10,191.75

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Item #: 0122910
Availability: Special Order
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Febco® 4" 856STDCDA-DOSY-CFM Double Check Detector Assembly, Domestic OSY Gate Valves, Cubic Feet Meter

Febco® 4" 856STDCDA-DOSY-CFM Double Check Detector Assembly, Domestic OSY Gate Valves, Cubic Feet Meter

Regular price $10,191.75

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Item #: 0683091
Availability: Special Order
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Febco® 4" LF856DCDA-DOSY-CFM Double Check Detector Assembly, Lead-Free, ArmorTek Coating, Domestic OSY Gate Valves, Cubic Feet Meter

Febco® 4" LF856DCDA-DOSY-CFM Double Check Detector Assembly, Lead-Free, ArmorTek Coating, Domestic OSY Gate Valves, Cubic Feet Meter

Regular price $10,725.30

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Item #: 0124445
Availability: Special Order
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Febco® 4" LF856DCDA-OSY-CFM Double Check Detector Assembly, Lead-Free, ArmorTek Coating, OSY Gate Valves, Cubic Feet Meter

Febco® 4" LF856DCDA-OSY-CFM Double Check Detector Assembly, Lead-Free, ArmorTek Coating, OSY Gate Valves, Cubic Feet Meter

Regular price $10,723.35

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Item #: 0124444
Availability: Special Order
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