IMPELLER PUMPS & IMPELLERS Fresh Water Cooled Engine Raw Water Cooled Engine Vacuum valve Siphon Breaker Vacuum valve Siphon breaker Exhaust hose Minimum 40 cm above water level Exhaust hose Minimum 40 cm above water level Fresh water Thermostat housing Heat exchanger Exhaust manifold Exhaust manifold Thermostat housing Fresh water Circulation pump Raw water pump VA C U U M VA LV E - S I P H O N B R E A K E R A vacuum valve is a cheap insurance against water intrusion in a engine with expensive repairs as a consequence. The maximum ambient temperature should not exceed 60 ºC. The valve opens at a pressure which is equivalent to 3-5 cm Water Column. The materials which are used are resistant to sea water and fresh water, and to glycol compounds in appropriate concentrations. Avoid exposing the valve to oil and grease. If it has been in contact with such substances, please clean or replace it. • Non corrosive • Easy to install • Does not leak • High quality plastic • 5 spud sizes Service Kit Vacuum Valve Take good care of the cooling system change to a new impeller every year! Impeller Lubricant Display Johnson Pump Marine Catalog Ň Version US Ň www.

IMPELLER PUMPS & IMPELLERS SPX FLOW's Johnson Pump Marine Brand Original Impellers SCALE 1:1 Inner dia * MC97 and Neoprene - for cooling, Nitrile - oil resistant * MC97 and Neoprene - for cooling, Nitrile - oil resistant Johnson Pump Marine Catalog Ň Version US Ň www.spxflow.co

IMPELLER PUMPS & IMPELLERS SPX FLOW's Johnson Pump Marine Brand Original Impellers SCALE 1:1 Width inch * MC97 and Neoprene - for cooling, Nitrile- oil resistant * * BT-1 replaces B Benefits with flexible impellers from Johnson Pump® Impellers MORE FLOW- BETTER PERFORMANCE Stable pres ssure delivery over time Significantly longer service life Excellent self-priming capability Minimized swelling Minimized failures due to fatigue Correct impeller dimensions Correct cooling flo ow & sufficient cooling directly at start up RELIABILITY ON BOARD - SINCE 1968- Johnson Pump Marine Catalog Ň Version US Ň www.spxflow...

IMPELLER PUMPS & IMPELLERS SPX FLOW's Johnson Pump Marine Brand Original Impellers S CA L E 1 : 1 Width inch * MC97 and Neoprene - for cooling, Nitrile - oil resistant Johnson Pump Marine Catalog Ň Version US Ň www.spxflow.com

IMPELLER PUMPS & IMPELLERS Sherwood / Mercruiser Impeller Replacement Program S CA L E 1 : 1 Sherwood / Mercrusier owners can now take advantage of premium replacement impellers from SPX FLOW Johnson Pump Marine; documented superior to the competition. We do not venture into this market lightly. We have prepared ourselves well. • Engineering time in excess of 2000 hours • More than 80,000 hours of continuous testing • Manufactured from our MC 97 rubber compound D 09-704BT-1 MC97 * MC97 and Neoprene - for cooling, Nitrile - oil resistant Width inch I M P E L L E R R E P L AC E M E N T K I T S...