UL Classification for the complete line of Deringer Backflow Prevention Valves

Today Backflow Direct received UL Classification for the complete line of Deringer Backflow Prevention Valves. All UL approved sizes, models and orientations are listed below: 2 ½" Deringer 20 DC (H, V) 2 ½" Deringer 30 DCDA (H, V) 2 ½" Deringer 40 RP (H) 2 ½" Deringer 50 RPDA (H) 3" Deringer 20 DC (H, V) 3" Deringer 30 DCDA (H, V) 3" Deringer 40 RP (H) 3" Deringer 50 RPDA (H) 4" Deringer 20 DC (H, V) 4" Deringer 30 DCDA (H, V) 4" Deringer 40 RP (H) 4" Deringer 50 RPDA (H) 6" Deringer 20x DC (H, V) 6" Deringer 30x DCDA (H, V) 6" Deringer 40x RP (H) 6" Deringer 50x RPDA (H) 8" Deringer 20 DC (H, V) 8" Deringer 30 DCDA (H, V) 8" Deringer 40 RP (H) 8" Deringer 50 RPDA (H) To view the UL online certification please click here To our future customers, Backflow Direct is very close to introducing the backflow market to the world of online direct sales!