Series
775/775DCDA
Double Check Backflow Preventer
Double Check Detector Assemblies
Sizes: 3" - 8"
• Installation • Service
• Repair Kits • Maintenance
LIMITED WARRANTY: Watts Regulator Company warrants each prod-
uct against defects in material and workmanship for a period of one year
from the date of original shipment. In the event of such defects within
the warranty period, the Company will, at its option, replace or recondi-
tion the product without charge. This shall constitute the exclusive
remedy for breach of warranty, and the Company shall not be respon-
sible for any incidental or consequential damages, including without
limitation, damages or other costs resulting from labor charges, delays,
vandalism, negligence, fouling caused by foreign material, damage from
adverse water conditions, chemicals, or any other circumstances over
which the Company has no control. This warranty shall be invalidated by
any abuse, misuse, misapplication or improper installation of the
product. THE COMPANY MAKES NO OTHER WARRANTIES EXPRESS
OR IMPLIED EXCEPT AS PROVIDED IN THIS LIMITED WARRANTY.
For field testing procedure, send for IS-TK-DP/DL,
IS-TK-9A, IS-TK-99E and IS-TK-99D.
For other repair kits and service parts, send for
PL-RP-BPD.
For technical assistance, contact your local Watts
representative on back page.
N775/N775DCDA Backflow Preventers are
identical in construction to 775/775DCDA Series
except include short radius elbows between
backflow preventer flange and gate valve flange.
RP/IS-775/775DCDA
IMPORTANT: Inquire with governing authorities
for local installation requirements.
NOTE: For Australia and New Zealand: Pipeline
strainers should be installed between the up-
stream shutoff valve and the inlet of the
backflow preventer.
CALIFORNIA PROPOSITION 65 WARNING
WARNING: This product contains chemicals
known to the State of California to cause cancer
and birth defects or other reproductive harm.
(Installer: California law requires that this
warning be given to the consumer.)
Insert lid bolts in holes
provided to remove 1st check