aic LB31-10 Heat Exchanger, 25000 to 60000 Btu/hr Btu, 2.6 to 6.2 gpm, Copper, Braze-Plated
aic LB31-20 Heat Exchanger, 75000 to 125000 Btu/hr Btu, 7.7 to 12.9 gpm, Copper, Braze-Plated
aic LB31-30 Heat Exchanger, 140000 to 175000 Btu/hr Btu, 14.4 to 18 gpm, Copper, Braze-Plated
aic LB31-40 Heat Exchanger, 200000 Btu/hr Btu, 20.6 gpm, Copper, Braze-Plated