HT-72	Hot Water Flow Rate:  3 GPM Pond Flow Rate:   15 GPM Pond Capacity:  Up to 10,000 Gallons   *  See Required Boiler Output Table Below	$299 Call
HT-104	Hot Water Flow Rate:  4 GPM Pond Flow Rate:         20 GPM Pond Capacity:  Up to 16,000 Gallons   *  See Required Boiler Output Table Below	$349 Call
HT-152	Hot Water Flow Rate:  6 GPM Pond Flow Rate:         30 GPM Pond Capacity:  Up to 20,000 Gallons   *  See Required Boiler Output Table Below	$379 Call
HT-240	Hot Water Flow Rate:  10 GPM Pond Flow Rate:    50 GPM Pond Capacity:  Up to 30,000 Gallons   *  See Required Boiler Output Table Below	$499 Call
HT-360	Hot Water Flow Rate: 15 GPM Pond Flow Rate:    80 GPM Pond Capacity:  Up to 40,000 Gallons   *  See Required Boiler Output Table Below	$679 Call
Heat Exchanger Installation | Heat Exchanger Diagram
Pond Capacity Required Boiler Output  Use Heat Exchanger  2000 16500 HT-72 4000 33500 HT-72 6000 50000 HT-72 8000 66500 HT-72 10000 83500 HT-72 12000 110000 HT-104 14000 116500 HT-104 16000 133500 HT-104 18000 150150 HT-152 20000 166500 HT-152 25000 208500 HT-240 30000 250500 HT-240 40000 333500 HT-360
Table 2
Model Number Thermal Output BTU/hr Hot GPM Water Flow Pressure Drop Ft. Cold GPM Water Flow Pressure Drop Ft. Heat Transfer Surface per Square Ft. HT-72 95000 6 3.8 40 0.3 2 HT-104 135000 6.6 1 55 2.7 3.2 HT-152 200000 8 1.7 65 4.5 4.8 HT-240 260000 9.4 2.3 80 6 6.4 HT-360 400000 13 6 95 8 11.8