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All Deringer Products Are USC Approved.

Backflow Direct's 2.5" Deringer 20 Double Check DC DCA Backflow Preventer 2 1/2" Deringer 20

MSRP: $1,179.00
Pro Price: $939.00
2 1/2" Deringer 30 2 1/2" Deringer 30

MSRP: $1,459.00
Pro Price: $1,169.00
Backflow Direct 2.5" Deringer 40 Reduced Pressure RP RPZ Backflow Prevention Valve 2 1/2" Deringer 40

MSRP: $1,429.00
Pro Price: $1,139.00
2 1/2" Deringer 50 2 1/2" Deringer 50

MSRP: $1,749.00
Pro Price: $1,399.00
Backflow Direct's 3" Deringer 20 Double Check DC DCA Backflow Preventer 3" Deringer 20

MSRP: $1,229.00
Pro Price: $979.00
3" Deringer 30 3" Deringer 30

MSRP: $1,529.00
Pro Price: $1,219.00
Backflow Direct's 3" Deringer 40 Reduced Pressure RP RPZ Backflow Prevention Valve 3" Deringer 40

MSRP: $1,499.00
Pro Price: $1,199.00
3" Deringer 50 3" Deringer 50

MSRP: $2,039.00
Pro Price: $1,629.00
Backflow Direct's 4" Deringer 20 Double Check DC DCA Backflow Preventer 4" Deringer 20

MSRP: $1,319.00
Pro Price: $1,049.00
4" Deringer 30 4" Deringer 30

MSRP: $1,559.00
Pro Price: $1,249.00
Backflow Direct's 4" Deringer 40 Reduced Pressure RP RPZ Backflow Prevention Valve 4" Deringer 40

MSRP: $1,629.00
Pro Price: $1,299.00
4" Deringer 50 4" Deringer 50

MSRP: $2,239.00
Pro Price: $1,789.00
Backflow Direct's 6" Deringer 20X Double Check DC DCA Backflow Preventer 6" Deringer 20X

MSRP: $2,099.00
Pro Price: $1,679.00
6" Deringer 30X 6" Deringer 30X

MSRP: $2,289.00
Pro Price: $1,829.00
Backflow Direct's 6" Deringer 40X Reduced Pressure RP RPZ Backflow Prevention Valve 6" Deringer 40X

MSRP: $2,749.00
Pro Price: $2,199.00
6" Deringer 50X 6" Deringer 50X

MSRP: $3,149.00
Pro Price: $2,519.00
Backflow Direct's 8" Deringer 20 Double Check DC DCA Backflow Preventer 8" Deringer 20

MSRP: $3,939.00
Pro Price: $3,149.00
8" Deringer 30 8" Deringer 30

MSRP: $4,179.00
Pro Price: $3,339.00
Backflow Direct's 8" Deringer 40 Reduced Pressure RP RPZ Backflow Prevention Valve 8" Deringer 40

MSRP: $5,249.00
Pro Price: $4,199.00
8" Deringer 50 8" Deringer 50

MSRP: $5,749.00
Pro Price: $4,599.00
Backflow Direct's 2" Deringer 20 Double Check (DC DCA) Backflow Preventer Kit 2" (Deringer 20) Kit

MSRP: $1,249.00
Pro Price: $999.00
2" Double Check Detector Assembly (DCDA) Backflow Prevention Valve - Backflow Direct 2" (Deringer 30) Kit

MSRP: $1,499.00
Pro Price: $1,199.00
Backflow Direct's 2" Deringer 40 Reduced Pressure RP RPZ Backflow Prevention Valve Kit 2" (Deringer 40) Kit (RP)

MSRP: $1,449.00
Pro Price: $1,159.00
2" (Deringer 50) Kit 2" (Deringer 50) Kit

MSRP: $1,819.00
Pro Price: $1,449.00