G2 Multi Tubular

The unique design and robust construction of the G2 Heat Exchanger offers an unrivalled heat transfer surface area, making it one of the most efficient products on the market.

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Features & Benefits
  • Four models ranging from 30-kW to 122-kW
  • Titanium tube bundle
  • BS 316L Stainless Steel primary casing
  • Salt and sea water compatible
  • 4 bar pressure tolerance
  • Low pressure drop
  • With optional Smart Touchscreen Controller and Booster Pump
  • Temperature and flow sensor port
  • Floor and wall mountable
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Product Code: Standard Power Output: Dimension ‘L1’   Dimension ‘L2’   Dimension ‘L3’   Net Weight Gross Weight Volume 
[mm] [mm] [mm] [kg] [kg] [m³]
G2-HE-30T 30-kW (102K BTU) 540 426 247 3.5 3.9 0.016
G2-HE-49T 49-kW (167K BTU) 710 596 417 4.5 5.0 0.021
G2-HE-85T 85-kW (290K BTU) 840 726 547 5.3 6.3 0.026
G2-HE-122T 122-kW (416K BTU) 1000 886 707 6.4 7.6 0.037
Standrad Output: Primary Flow [m³/h] Primary Pressure Loss [Bar] Secondary Flow [m³/h] Secondary Pressure Loss [Bar] DT 15°C [kW] DT 20°C [kW] DT 30°C [kW] DT 40°C [kW] DT 50°C [kW] DT 60°C [kW] DT 70°C [kW]
30-kW 1.1 0.061 10 0.050 9 11 16 20 26 30 33
30-kW 1.3 0.068 10 0.050 10 13 18 23 31 34 39
30-kW 1.3 0.068 14 0.070 11 15 20 26 34 41 46
49-kW 1.6 0.077 16 0.092 13 18 25 43 41 50 56
49-kW 1.8 0.083 16 0.092 15 20 28 38 45 55 62
49-kW 2.2 0.093 17 0.098 16 22 33 44 52 64 73
85-kW 2.4 0.113 17 0.106 22 28 40 53 64 75 81
85-kW 2.7 0.129 17 0.106 26 32 46 60 73 82 89
85-kW 3.2 0.147 17 0.106 28 34 49 64 77 90 102
122-kW 3.8 0.183 19 0.126 33 43 68 75 93 108 120
122-kW 4.2 0.200 19 0.126 36 48 70 89 108 126 143
122-kW 4.6 0.211 19 0.126 38 53 73 95 116 137 156

Flow Tube

Primary Circuit: BS 316L stainless steel tube
Secondary Circuit: Bundle of 37 titanium tubes
Water Connections

Primary Circuit: 1" BSP male fittings
Secondary Circuit: 1½" / 50mm stepped ABS unions for rigid pipe connection
Working Pressure

Primary Circuit: 4 bar maximum
Secondary Circuit: 4 bar maximum

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