Graco Inc. Hydra-Clean 800-706 - Manual (Page 18)

18 308–532
ACCESSORIES
(Must be purchased separately)
DOWNSTREAM CHEMICAL INJECTOR KIT
800–117 (3540)
800–649 (3540 & 4043)
For injecting harsh cleaning chemicals downstream
from the pump. 800–649 is stainless steel construction.
UPSTREAM CHEMICAL INJECTOR KIT
800–257
For injecting mild cleaning chemicals upstream into the
pump.
BACKFLOW PREVENTOR 801–133
Prevent back–up of contaminated water into fresh
supply. Install upstream of pump.
WATER SANDBLASTING KIT 800–120
For abrasive cleaning of stubborn dirt and paint.
Requires a spray tip which is not included in kit (3540
uses 803–107, 4043 uses 803–107).
ANTI–FREEZE FLUSH KIT 802–327
For flushing system with 50% anti–freeze solution prior
to transporting or storing pressure washer in below
freezing temperatures.
INLET PRESSURE REGULATOR 800–258
Regulates inlet water pressure to 60 psi (4 bar)
maximum.