Backflow Installation Copper Component List

Backflow preventer example shown (Febco model 765 or Wilkins model 720 or equal)

Qty.      Description                Horizon part#
3      Copper 90^ ells                ALI-56-1158
2      Copper male adapters     ALI-56-1175
1      Copper female adapter    ALI-58-1255 

Be sure these items are also on hand:

One Union (copper or PVC)       ALI-56-1181
Teflon Tape                                 AAA-58-1001
Flux                                            OAT-56-1017
Solder                                        OAT-56-1016
Acid Brushes                              AAA-56-6819
MAPP Gas                                 AAA-56-6823
Turbo Torch                                AAA-53-0022

*Part numbers vary by region and market

Although not commonly installed with smaller or less costly backflow models, such as the 756 or Wilkins 720, you may also consider a backflow prevention protection cage. 

Check local store for current available models.  

OPTIONAL

Copper pipe type: K/L or M
Sized same as backflow
Length generally minimum of 5'