Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Your Cart

Loading...

Are you tax exempt? - Click Here

Subtotal

$0.00 USD

Welcome to BackflowPreventer.com a Water Specialties Website

About Us Contact Us Locations

Sign In / Register

Search

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

About Us Contact Us Locations

Search

Call Us Now:

(800) 336-6530

Shopping Cart: $0.00

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
Ames
DCDA - Double Check Detector Assemblies

Collection: Backflow Devices - Ames - DCDA - Double Check Detector Assemblies

Filter Filter

Filter

Filter

406 products

Remove all

406 products

Ames® 8" LFC300N-DOSY-C Colt Double Check Detector Assembly, Lead-Free, N Pattern, Domestic OSY Shutoffs, Tri-Link Checks, Cubic Feet Meter

Ames® 8" LFC300N-DOSY-C Colt Double Check Detector Assembly, Lead-Free, N Pattern, Domestic OSY Shutoffs, Tri-Link Checks, Cubic Feet Meter

Regular price $23,371.50

Log in or Call for Pricing

Item #: 0425159
Availability: Special Order
View
Ames® 10" 3000SS-DOSY-FXG-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Flanged Inlet x Grooved Outlet, Cam-Checks, Cubic Feet Meter

Ames® 10" 3000SS-DOSY-FXG-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Flanged Inlet x Grooved Outlet, Cam-Checks, Cubic Feet Meter

Regular price $32,514.74

Log in or Call for Pricing

Item #: 0696034
Availability: Special Order
View
Ames® 6" LFC300N-DOSY-LM Colt Double Check Detector Assembly, Lead-Free, N Pattern, Domestic OSY Shutoffs, Tri-Link Checks, Less Meter

Ames® 6" LFC300N-DOSY-LM Colt Double Check Detector Assembly, Lead-Free, N Pattern, Domestic OSY Shutoffs, Tri-Link Checks, Less Meter

Regular price $15,087.00

Log in or Call for Pricing

Item #: 0425170
Availability: Special Order
View
Ames® 10" 3000SS-DOSY-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Ames® 10" 3000SS-DOSY-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Regular price $32,512.67

Log in or Call for Pricing

Item #: 0692739
Availability: Special Order
View
Ames® 6" C300-OSYXPIV-GPM Colt Double Check Detector Assembly, OSY Shutoff x Post Indicator Valve, Tri-Link Checks, Gallons/Minute Meter

Ames® 6" C300-OSYXPIV-GPM Colt Double Check Detector Assembly, OSY Shutoff x Post Indicator Valve, Tri-Link Checks, Gallons/Minute Meter

Regular price $11,586.00

Log in or Call for Pricing

Item #: 0206698
Availability: Special Order
View
Ames® 2" 3000BM1-FP-CFM-GV Bronze Double Check Detector Assembly, Gear Operated Ball Valve Shutoffs, Pre-Wired Tamper Switches, Grooved Ends, Cubic Feet Meter

Ames® 2" 3000BM1-FP-CFM-GV Bronze Double Check Detector Assembly, Gear Operated Ball Valve Shutoffs, Pre-Wired Tamper Switches, Grooved Ends, Cubic Feet Meter

Regular price $7,457.25

Log in or Call for Pricing

Item #: 88005599
Availability: Special Order
View
Ames® 2 1/2" 3000SS-DOSY-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Ames® 2 1/2" 3000SS-DOSY-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Regular price $8,982.75

Log in or Call for Pricing

Item #: 0692740
Availability: Special Order
View
Ames® 2 1/2" 3000SS-DOSY-GXG-CFM Double Check Detector Assembly, Groove x Groove Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Ames® 2 1/2" 3000SS-DOSY-GXG-CFM Double Check Detector Assembly, Groove x Groove Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Regular price $8,395.81

Log in or Call for Pricing

Item #: 0696000
Availability: Special Order
View
Ames® 3" 3000SS-DOSY-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Ames® 3" 3000SS-DOSY-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Regular price $9,382.19

Log in or Call for Pricing

Item #: 0692743
Availability: Special Order
View
Ames® 4" 3000SS-DOSY-GXG-CFM Double Check Detector Assembly, Groove x Groove Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Ames® 4" 3000SS-DOSY-GXG-CFM Double Check Detector Assembly, Groove x Groove Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Regular price $10,149.45

Log in or Call for Pricing

Item #: 0696012
Availability: Special Order
View
Ames® 12" 3000SS-DOSY-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Ames® 12" 3000SS-DOSY-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Regular price $41,948.25

Log in or Call for Pricing

Item #: 0690949
Availability: Special Order
View
Ames® 6" LFC300-DOSY-C Colt Double Check Detector Assembly, Lead-Free, Domestic OSY Shutoffs, Tri-Link Checks, Cubic Feet Meter

Ames® 6" LFC300-DOSY-C Colt Double Check Detector Assembly, Lead-Free, Domestic OSY Shutoffs, Tri-Link Checks, Cubic Feet Meter

Regular price $13,882.91

Log in or Call for Pricing

Item #: 0425140
Availability: Special Order
View
Ames® 4" 3000SS-DOSY-GXF-CFM Double Check Detector Assembly, Groove x Flange Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Ames® 4" 3000SS-DOSY-GXF-CFM Double Check Detector Assembly, Groove x Flange Domestic OSY Shutoffs, Cam-Check Valves, Cubic Feet Meter

Regular price $10,149.00

Log in or Call for Pricing

Item #: 0696014
Availability: Special Order
View
Ames® 4" LFC300N-DOSY-LM Colt Double Check Detector Assembly, Lead-Free, N Pattern, Domestic OSY Shutoffs, Tri-Link Checks, Less Meter

Ames® 4" LFC300N-DOSY-LM Colt Double Check Detector Assembly, Lead-Free, N Pattern, Domestic OSY Shutoffs, Tri-Link Checks, Less Meter

Regular price $11,603.25

Log in or Call for Pricing

Item #: 0425169
Availability: Special Order
View
Ames® 2 1/2" 3000SS-NRS-CFM Double Check Detector Assembly, NRS Shutoffs, Cam-Check Valves, Cubic Feet Meter

Ames® 2 1/2" 3000SS-NRS-CFM Double Check Detector Assembly, NRS Shutoffs, Cam-Check Valves, Cubic Feet Meter

Regular price $8,202.00

Log in or Call for Pricing

Item #: 0690981
Availability: Special Order
View
Ames® 6" 3000SS-DOSY-FXG-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Flanged Inlet x Grooved Outlet, Cam-Checks, Cubic Feet Meter

Ames® 6" 3000SS-DOSY-FXG-CFM Double Check Detector Assembly, Domestic OSY Shutoffs, Flanged Inlet x Grooved Outlet, Cam-Checks, Cubic Feet Meter

Regular price $13,151.25

Log in or Call for Pricing

Item #: 0696022
Availability: Special Order
View
Ames® 8" 3000SS-DOSY-GXG-GPM Double Check Detector Assembly, Groove x Groove Domestic OSY Shutoffs, Cam-Check Valves, Gallons/Minute Meter

Ames® 8" 3000SS-DOSY-GXG-GPM Double Check Detector Assembly, Groove x Groove Domestic OSY Shutoffs, Cam-Check Valves, Gallons/Minute Meter

Regular price $23,794.51

Log in or Call for Pricing

Item #: 0696025
Availability: Special Order
View
Ames® 10" 3000SS-LG-CFM Double Check Detector Assembly, Less Shutoff, Cam-Check Valves, Cubic Feet Meter

Ames® 10" 3000SS-LG-CFM Double Check Detector Assembly, Less Shutoff, Cam-Check Valves, Cubic Feet Meter

Regular price $23,262.74

Log in or Call for Pricing

Item #: 0690934
Availability: Special Order
View
Ames® 4" 3000SS-OSY-TS-CFM Double Check Detector Assembly, OSY Shutoffs, Tamper Switch, Cam-Check Valves, Cubic Feet Meter

Ames® 4" 3000SS-OSY-TS-CFM Double Check Detector Assembly, OSY Shutoffs, Tamper Switch, Cam-Check Valves, Cubic Feet Meter

Regular price $10,637.68

Log in or Call for Pricing

Item #: 88003093
Availability: Special Order
View
Ames® 8" 3000SS-NRS-CFM Double Check Detector Assembly, NRS Shutoffs, Cam-Check Valves, Cubic Feet Meter

Ames® 8" 3000SS-NRS-CFM Double Check Detector Assembly, NRS Shutoffs, Cam-Check Valves, Cubic Feet Meter

Regular price $24,300.75

Log in or Call for Pricing

Item #: 0690899
Availability: Special Order
View
Ames® 12" 3000SS-DOSY-TS-CFM Double Check Detector Assembly, OSY Shutoffs, Tamper Switch, Cam-Check Valves, Cubic Feet Meter

Ames® 12" 3000SS-DOSY-TS-CFM Double Check Detector Assembly, OSY Shutoffs, Tamper Switch, Cam-Check Valves, Cubic Feet Meter

Regular price $42,435.75

Log in or Call for Pricing

Item #: 88003100
Availability: Special Order
View
Ames® 6" 3000SS-LG-CFM Double Check Detector Assembly, Less Shutoff, Cam-Check Valves, Cubic Feet Meter

Ames® 6" 3000SS-LG-CFM Double Check Detector Assembly, Less Shutoff, Cam-Check Valves, Cubic Feet Meter

Regular price $9,720.01

Log in or Call for Pricing

Item #: 0690927
Availability: Special Order
View
Ames® 6" 3000SS-NRS-LM Double Check Detector Assembly, NRS Shutoffs, Cam-Check Valves, Less Meter

Ames® 6" 3000SS-NRS-LM Double Check Detector Assembly, NRS Shutoffs, Cam-Check Valves, Less Meter

Regular price $13,231.50

Log in or Call for Pricing

Item #: 0691546
Availability: Special Order
View
Ames® 3" C300-OSY-TS-C Colt Double Check Detector Assembly, OSY Shutoffs, Tamper Switch, Tri-Link Checks, Cubic Feet Meter

Ames® 3" C300-OSY-TS-C Colt Double Check Detector Assembly, OSY Shutoffs, Tamper Switch, Tri-Link Checks, Cubic Feet Meter

Regular price $8,010.69

Log in or Call for Pricing

Item #: 88003111
Availability: Special Order
View

1
…
13
14
15
16
17

Contact Info

Phone: Toll Free (800) 336-6530

Email: Info@Backflowpreventer.com

Address: 10926 David Taylor Drive
Suite 300, Charlotte, NC 28262

OPEN HOURS: Monday - Friday
7:00 AM - 8:00 PM EST

My Account

Sign In
View Cart

Customer Service

About Us
Contact Us
Locations
Store Policies
Privacy Policy
Terms & Conditions

Resources

Calibration Services
Device Lay Lengths
FED Learning Center
Lead Free Law
Repair Videos
Blog

Privacy policy
Terms of service
Refund policy
Cookie preferences

Choosing a selection results in a full page refresh.
Opens in a new window.

View Carts Save Cart Request a Quote