User Manual

Features:
• Flush your boat engine safely and easily.
• Transparent body allows for visual inspection of water flow.
• Durable check valve system activated by water pressure from
a garden hose.
• Check valve automatically shuts off hull intake when water
pressure is applied.
• Adapter supplied with FlushPro™ makes winterizing
your boat easy.
• Can be used with onboard generators & air conditioning units.
PERKO, Inc.
7/13 16490 N.W. 13th Avenue
0456INS1 Miami, FL 33169-5707
www.perko.com
We Make it Right, Right Here!!
TM
Inboard Direct Drive
Engine Packages:
• P.C.M.
• MerCrusier 5.7 and above
• Indmar
• Jet Drive
• Volvo Penta
• Onboard Generators
• All Ocean Going Systems
with Heat Exchangers
• Outdrives without
Internal Impeller Pump
Sea Water
Inlet Side
To
Engine
Side
MODELS AVAILABLE:
• Cat. No. 0456DP4
FlushPro™ Valve for 5/8” Hose
• Cat. No. 0456DP6
FlushPro™ Valve for 1” Hose
• Cat. No. 0456DP7
FlushPro™ Valve for 1-1/4” Hose
• Cat. No. 0457DP4
FlushPro™ Valve and Water
Inlet Kit for 5/8” Hose
• Cat. No. 0457DP6
FlushPro™ Valve and Water
Inlet Kit for 1” Hose
• Cat. No. 0457DP7
FlushPro™ Valve and Water
Inlet Kit for 1-1/4” Hose
Garden Hose Connection
Small Check
Valve
Main Check
Valve
“A” Dimension =
5/8”
1” or
1-1/4”
FLOW
FLOW
Figs. 0456 & 0457
FlushPro
TM
MARINE ENGINE FLUSHING AND WINTERIZING SYSTEM
INSTALLATION & OPERATING INSTRUCTIONS
FlushPro
TM
Differential Pressure Graph
5”
7-7/8”
A
4-3/4”
1-3/4”
3”