Thread: Optimax service recommendations - please
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  #20  
Unread 07-10-2013, 07:05 AM
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spareparts spareparts is offline
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Join Date: Oct 2006
Location: Raleigh, NC
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it should have a water pressure sensor, look for a three wire sensor hooked to a piece of that spaghetti hose. There will be one for the pitot(speed) and one for water pressure.
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