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Bowman Marine Heat Exchanger and Header Tank DH90
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Bowman DH90 Marine Heat Exchanger & Header Tank (20HP)

Part No. 201603

£266.17 You pay £266.17 Incl VAT You pay £221.81 Excl VAT

RRP £295.74 £246.45

Save £29.57 (10.0%) Save £24.64 (10.0%)


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Brand Bowman
Country of Origin United Kingdom
Model DH90
Construction Aluminium LM6M Body, Cupro Nickel Tubestack & Neoprene End Covers
For Maximum Horsepower 20HP (15kW)
Inlet / Outlet Port Size Raw Water Inlet & Outlet: 22mm ID, Engine Water Inlet & Outlet: 22mm ID
Length 306mm
Width 70mm
Height 210mm (including pressure cap)
Fixing Hole Size M8 x 12
Dimensions Distance Between Mounting Hole Centres: 80mm
Raw Water Pressure 15 Bar Maximum
Engine Water Pressure 1 Bar Maximum (filler cap rating dependant)
Pressure Rating Filler Cap: 0.75 Bar (75kPa)
Operating Temperature 100°C Maximum
Capacity Raw Water Volume: 0.21 litres, Engine Water Volume: 0.80 litres, Header Tank Capacity: 0.54 litres
Applications Yanmar 2GM engines
Raw Water Flow Maximum 60 litres per minute

The Bowman DH090-3064-0 marine single pass header tank heat exchanger is typically suitable for 15kW / 20HP engines. This Bowman heat exchanger can be used with Yanmar 2GM engines among others.

There are neoprene raw water connections with a 22mm ID input one end and a 22mm ID output on the other end. The neoprene end caps (2679NP) are part number: BOW-2679NP.

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