Heat Exchanger

I have open loop water tower to plate heat exchanger then closed loop in the building. Why?

I have a water tower with an open loop condensing water system to plate heat exchanger then a closed loop in the building. Why?

Also, there is a second heat exchanger (appears to be shell and tube). Why?

The cooling tower and plate combination is used to cool a chemical liquid in some process usually (in the closed loop)...Probably the same deal with the second exchanger. The shell and tube exchanger is usually used to heat or cool with water/steam in some chemical process...

--to be more specific I would have to see more..or have a little better description.

NOS DETROIT DIESEL MARINE HEAT EXCHANGE CORE 8509553 MARINE JACKET WATER COOLER
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MONITOR MODEL 4626 HEAT EXCHANGER 15 overall NEW
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OMC MerCruiser Boat Marine Mount Heat Exchanger Bracket PN 79437
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CAT Heat Exchanger End Cap 859786 0
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HEAT EXCHANGER BRACKET 98618 MERCRUISER 1982 1989 INBOARD STERNDRIVE BOAT
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USED JOHNSON EVINRUDE OMC 311550 910280 MANIFOLD CAP 380446 HEAT EXCHANGER TK
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Volvo Heat Exchanger 3861786 0027
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Volvo Penta 862600 842292 Genuine OEM Heat Exchanger Exhaust Manifold Gasket
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Atwood EHM6 EHM6 SM Electric Water Heater w Heat Exchanger 6Gal 110VAC
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mercruiser 36 814879 1 heat exchanger cap 16  nip free shipping
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Mercruiser 4 CYL 37L 470 4 Heat Exchanger 99438A1 for I O Boat Motor Engine
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Perkins 4107 4 107 4108 4 108 SEN DURE Heat Exchanger NA001405
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HEAT EXCHANGER BRACKET 98618 MERCRUISER INBOARD 1982 1989 STERNDRIVE BOAT 2
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40HP HEAT EXCHANGER 3795180379518 1968 70 OMC JOHNSON EVINRUDE OUTBOARD MOTOR
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3 71 4 71  6 71 Detroit Diesel Marine Heat Exchanger Tank Keel Cooled
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Sen Dure 125 in and out heat exchanger Fresh water only on Mercruiser 502 454
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Sen Dure 125 in and out heat exchanger Fresh water use only on Mercruiser BBC
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Mercruiser 502 454 125 in and out heat exchanger Fresh water only P S oil
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HEAT EXCHANGER BRACKET 98618 MERCRUISER INBOARD 1982 1989 STERNDRIVE BOAT 3
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Raritan 20 Gallon Hot Water Heater w o Heat Exchanger 120V Boat Marine
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Quicksilver Mercruiser I L4 Boat Engine Heat Exchanger 4 End Cap P N 99961
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HEAT EXCHANGER BRACKET 91907 MERCRUISER 1982 1983 224HP 470 37L 170 847
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Perkins Na004139 Heat Exchanger Marine Diesel
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Mercruiser Heat Exchanger w Oil Cooler 1982 1983 224HP 470 78165 63832 1
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Volvo Penta 831892 5 Genuine OEM Seal Ring for Heat Exchanger Core 0001
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Onan diesel marine heat exchanger
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VOLVO PENTA AQAD AQD TAMD TMD 40 HEAT EXCHANGER INSERT 845198 858833
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2012 Mercruiser 82L 502 Heat Exchanger w Manifold   8M2017231
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Mercruiser Mercury HOSE 32 77332 Heat Exchanger to Exhaust Elbow VERY FAST SHIP
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Heat Exchanger End Cap Plate Kit 5 Inch Diameter Heat Exchangers
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Crusader Circulating Pump To Heat Exchanger Hose 98014
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380985 OMC 0380985 HEAT EXCHANGER 1968 1973 FOR MANY STRINGER STERN DRIVES
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CATERPILLAR C22 ENGINE HEAT EXCHANGER P N 324 0210
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MERCRUISER 37 L 4 cyl 465 470 485 488 170 190 HEAT EXCHANGER
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MERCURY MERCRUISER CLOSED COOLING KIT HEAT EXCHANGER QUICKSILVER 43 50 57
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Marine Heat Exchanger L Vert Fits Volvo Penta Small Block V8 GMs OEM 855641
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CATERPILLAR DIESEL 3208T Marine Tube Bundle  1W3421246 for Main Heat Exchanger
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HEAT EXCHANGER BRACKET 98618A1 MERCRUISER 1982 1989 224 165HP INBOARD ENGINE898
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HEAT EXCHANGER 380985 0380985 1968 1972 155HP OMC COBRA STERNDRIVE MOTOR
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HEAT EXCHANGER BRACKET 98618A1 MERCRUISER 1982 1989 190 37L INBOARD ENGIN900
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HEAT EXCHANGER 380985 0380985 OMC COBRA 1968 1972 155HP INBOARD STERNDRIVE
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Caterpillar 3208T MARINE Bonnet Heat Exchanger End Cap part  8N 9788
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Caterpillar 3208T MARINE Bonnet Heat Exchanger End Cap Cover part  8N9786
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39192 Heat Exchanger Mounting Brace for Mercruiser 110 120 140 150 160 165
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3804460380466 HEAT EXCHANGE ASSY 1968 81 100 120HP OMC COBRA STERNDRIVE BOAT
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Vintage PISCES Marine Wooden Boat Wet Exhaust Manifold  Heat Exchange
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Heat Exchanger Expansion Tank off an old Crusader
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Mercruiser V8 Power steering Heat Exchanger
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MerCruiser 488 Heat Exchanger Bracket P N 98618A1 77226
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Raritan 6 Gal Water Heater W O Heat Exchanger 120V
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HEAT EXCHANGE ASSY 3804460380466 1968 81 100 120HP OMC COBRA STERNDRIVE BOAT
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Volvo Penta Heat Exchanger Core 831713
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Raritan Marine RV 6 Gallon Hot Water Heater 120V W Out Heat Exchanger
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Atwood EH 20 Electric Water Heater w Heat Exchanger 20Gal 110V
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Atwood EHM 11 220 Electric Water Heater w Heat Exchanger 11Gal 220V
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Ford Lehman 120 Heat Exchanger 2715eCopper Nickel Marine Diesel 6 cyl Engine
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CUMMINS MARINE HEAT EXCHANGER FILTER BRACKET 3975902
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Mercruiser 470 Heat Exchanger 4 99438A1 4 inch 165 170 180 190 37 4 cylinder
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WESTERBEKE Marine Heat Exchanger OEM 036899
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Detroit Diesel Heat Exchange Gasket Kit 5192637
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WESTERBEKE HEAT EXCHANGER 6 CYLINDER
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1971 Chris Craft OMC V8 Chevy Vintage Copper Water Tubes  Heat Exchanger
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admin posted at 2009-12-28 Category: Boat Parts