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Conbraco 4A-200 RPZ Backflow Preventer 1 in. Union End Ball Valve | CDC4A-205-A4F

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Sales Price $435.95 Our Price $837.95 You save 48%


The Apollo Model RP4A series Reduced Pressure Backflow Preventers provide maximum protection of the potable water supply due to back-siphonage or backpressure from substances that are hazardous to the potable water supply. The top accessed modular check valve cartridges provide captured springs, replaceable seats and reversible silicone seat discs. This Made in America assembly features Apollo ball valves with stainless steel handles and nuts as standard and carries the five-year Apollo factory warranty.

  • Low pressure loss documented by independent approval agencies
  • Easily removable modular check valve cartridge
  • Captured stainless steel springs
  • Apollo ball valves w/ SS handles & nuts standard
  • Top-mounted test cocks for easy testing
  • No special tools required
  • Modular Relief Valve
  • Chloramine-resistant elastomers
  • Conbraco Industries, Inc. continues to operate as Apollo Valves
  • Designed, cast, machined, assembled and tested IN THE USA
Approvals ASSE 1013 - Horizontal (?"-2"), U & Z (?"-1") CSA B.64.4 - Horizontal (?"-2") Performance Rating Maximum Working Pressure 175 psi Temperature Range 33 F 180 F
Material Specifications
Part Name Material
Body, Caps, Ball Valve Shutoffs, Test cocks Bronze C84400
Check Valve Cartridges Glass-Filled PPO
Springs 300 Series Stainless Steel
Seat Discs Chloramine-resistant Silicone
O-rings Chloramine-resistant EPDM








1/2" 11-1/8" 7-3/8" 7-1/8" 2-7/8" 3-1/4" 3-7/8"
3/4" 12-3/4" 8-1/2" 7-3/8" 3-1/8" 3-1/2" 3-7/8"
1" 14-5/8" 9-1/2" 8" 3-1/4" 4" 4"
1-1/4" 18-5/8" 11-3/4" 9-7/8" 5-1/8" 4-1/2" 5-3/8"
1-1/2" 18-3/4" 11-5/8" 9-7/8" 5-1/8" 4-1/2" 5-3/8"
2" 21-1/8" 12-3/4" 11" 5-7/8" 5" 6"
FLOW CURVES, Curves developed from independent approval agencies actual tests. Consult factory for details. indicates rated flow as determined by approval agencies, 7.5 ft/sec is the typical maximum Plumbing system flow rate.
More Information
Brand Conbraco
Test Cocks 4 FEMALE
Max Working Pressure 175 PSI
Hydrostatic Test Pressure 350 PSI
Temperature Range 33F to 180F
Main Valve Body Materials Bronze
Elastomers Silicone
Springs Stainless Steel
Warranty 5 Years
Size 1 in.
Connection Union End Ball Valves
Lead Free Not Lead Free
Specifications (911.28 kB)
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