• Suction Line Heat Exchangers
For enhanced evaporator capacity, system stability, compressor protection and oil return.

Nominal SLHE selections should be based on system horsepower, which will provide a nominal 10ºF subcooling and a nominal 20ºF suction superheat for R-22, R-502, R-404A, R-507, R-407A, R-504, R-134A, R-407C and R-410A at 110ºF condensing and 25ºF suction. For example, for a 1-1/2 HP system, select an SLHE 1-1/2. Do not select undersized models to avoid high suction pressure drops and gas whistling.

Selections based on suction and liquid line sizes are appropriate for standard low, medium and high temperature refrigeration systems provided the system HP rating closely matches the SLHE selection.
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Item #

Item Name

Power

Gas Connection Size

Liquid Connection Size

N/A 1 Horsepower (hp), 5/8 Inch (in) Gas Connection, and 13-3/4 Inch (in) Length Suction Line Heat Exchanger N/A 1 hp N/A 5/8 in N/A 3/8 in
N/A 1-1/2 Horsepower (hp), 7/8 Inch (in) Gas Connection, and 14-1/2 Inch (in) Length Suction Line Heat Exchanger N/A 1-1/2 hp N/A 7/8 in N/A 3/8 in
N/A 2 Horsepower (hp), 1-1/8 Inch (in) Gas Connection, and 15 Inch (in) Length Suction Line Heat Exchanger N/A 2 hp N/A 1-1/8 in N/A 3/8 in
N/A 1/2 Horsepower (hp), 1/2 Inch (in) Gas Connection, and 11-1/2 Inch (in) Length Suction Line Heat Exchanger N/A 1/2 hp N/A 1/2 in N/A 1/4 in
N/A 3/4 Horsepower (hp), 5/8 Inch (in) Gas Connection, and 11-3/4 Inch (in) Length Suction Line Heat Exchanger N/A 3/4 hp N/A 5/8 in N/A 3/8 in
N/A 3 Horsepower (hp), 1-1/8 Inch (in) Gas Connection, and 15 Inch (in) Length Suction Line Heat Exchanger N/A 3 hp N/A 1-1/8 in N/A 1/2 in
N/A 5 Horsepower (hp), 1-3/8 Inch (in) Gas Connection, and 14-1/4 Inch (in) Length Suction Line Heat Exchanger N/A 5 hp N/A 1-3/8 in N/A 5/8 in
N/A 7-1/2 Horsepower (hp), 1-5/8 Inch (in) Gas Connection, and 17 Inch (in) Length Suction Line Heat Exchanger N/A 7.5 hp N/A 1-5/8 in N/A 5/8 in
N/A 10 Horsepower (hp), 2-1/8 Inch (in) Gas Connection, and 18 Inch (in) Length Suction Line Heat Exchanger N/A 10 hp N/A 2-1/8 in N/A 7/8 in
N/A 15 Horsepower (hp), 2-1/8 Inch (in) Gas Connection, and 25 Inch (in) Length Suction Line Heat Exchanger N/A 15 hp N/A 2-1/8 in N/A 7/8 in
N/A 20 Horsepower (hp), 2-1/8 Inch (in) Gas Connection, and 27 Inch (in) Length Suction Line Heat Exchanger N/A 20 hp N/A 2-1/8 in N/A 1-1/8 in
N/A 20 Horsepower (hp), 2-1/8 Inch (in) Gas Connection, and 30-7/8 Inch (in) Length Suction Line Heat Exchanger N/A 20 hp N/A 2-1/8 in N/A 1-1/8 in
N/A 25 Horsepower (hp), 2-5/8 Inch (in) Gas Connection, and 28-7/8 Inch (in) Length Suction Line Heat Exchanger N/A 25 hp N/A 2-5/8 in N/A 1-1/8 in
N/A 30 Horsepower (hp), 2-5/8 Inch (in) Gas Connection, and 28-7/8 Inch (in) Length Suction Line Heat Exchanger N/A 30 hp N/A 2-5/8 in N/A 1-3/8 in
N/A 40 Horsepower (hp), 3-1/8 Inch (in) Gas Connection, and 28-7/8 Inch (in) Length Suction Line Heat Exchanger N/A 40 hp N/A 3-1/8 in N/A 1-3/8 in
N/A 50 Horsepower (hp), 3-1/8 Inch (in) Gas Connection, and 28-7/8 Inch (in) Length Suction Line Heat Exchanger N/A 50 hp N/A 3-1/8 in N/A 1-5/8 in
N/A 60 Horsepower (hp), 4-1/8 Inch (in) Gas Connection, and 29-7/8 Inch (in) Length Suction Line Heat Exchanger N/A 60 hp N/A 4-1/8 in N/A 1-5/8 in
N/A 75 Horsepower (hp), 4-1/8 Inch (in) Gas Connection, and 29-7/8 Inch (in) Length Suction Line Heat Exchanger N/A 75 hp N/A 4-1/8 in N/A 2-1/8 in
N/A 100 Horsepower (hp), 5-1/8 Inch (in) Gas Connection, and 30-7/8 Inch (in) Length Suction Line Heat Exchanger N/A 100 hp N/A 5-1/8 in N/A 2-1/8 in
N/A 150 Horsepower (hp), 6-1/8 Inch (in) Gas Connection, and 30-7/8 Inch (in) Length Suction Line Heat Exchanger N/A 150 hp N/A 6-1/8 in N/A 2-5/8 in
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