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  #1  
Old 04-10-2015, 06:31 PM
Skunkworks Skunkworks is offline
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Boat: Mastercraft X45 2005 LQ9
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2005 X45 LQ9 Heater Connection at Engine

I am installing a heater in my 2005 X45 with the Cadillac LQ9. Does anyone have pictures of where to connect the heater valves to the engine? It is a closed cooling system. Any recommended valves or where to purchase?

I want to get the boat out early this year

Thanks for the help.

2005 X45 LQ9
Atlanta, GA
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Old 04-23-2015, 06:36 PM
Skunkworks Skunkworks is offline
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Anyone with an LQ9 and a heater?

Thanks.

David
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  #3  
Old 04-23-2015, 08:15 PM
stevenbratt stevenbratt is offline
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I have one. Let me do some investigating.
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Old 04-24-2015, 04:21 PM
stevenbratt stevenbratt is offline
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Here is what it looks like. The larger hose goes to her heat exchanger and the two smaller ones go back to the heater core.
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Old 04-24-2015, 04:22 PM
stevenbratt stevenbratt is offline
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More for some reasons I can only do one at a time.
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Old 04-24-2015, 04:24 PM
stevenbratt stevenbratt is offline
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Number 3.
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Old 04-24-2015, 04:24 PM
stevenbratt stevenbratt is offline
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And the last one.
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  #8  
Old 05-18-2015, 02:35 PM
Skunkworks Skunkworks is offline
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Talking

Brilliant . That is where I thought to connect the heater hoses, but I wanted to be sure. Do you know which is the inlet and which is the outlet for the waterpump? (My Maradyne heater recommends the flow to be in a particular direction).

Thanks again for the help.

David
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  #9  
Old 05-20-2015, 07:56 PM
Skunkworks Skunkworks is offline
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Join Date: Dec 2014
Boat: Mastercraft X45 2005 LQ9
Location: Southeast
Posts: 17
After some investigation of the LQ9 and for information - the water pump fitting closest to the engine block (toward the bow of boat) is flow from the engine; the water pump fitting toward the stern is for the coolant return from the heater.

David
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