Isotherm U400X133P12311AA – SP 2556 Water-Cooled Refrigeration Unit, X-Large Flat Evaporator 54" × 12"

ID 1123322

$ 2,060.63

1-2 weeks delivery time

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The Isotherm U400X133P12311AA SP “2556” uses an X-Large flat evaporator (54 × 12 in) and a BD50F compressor to cool up to 400 L or freeze up to 133 L, delivering 14.1 cu.ft. refrigeration or 4.7 cu.ft. freezer capacity with efficient, silent SP seawater cooling.

Description
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Isotherm U400X133P12311AA – SP “2556” Water-Cooled Refrigeration Unit

The Isotherm SP “2556” is a high-capacity seawater-cooled refrigeration system designed for large marine installations. Equipped with an X-Large flat evaporator and the Secop BD50F compressor, it supports refrigeration volumes up to 400 liters or 133 liters in freezer mode. The SP system uses natural hull movement for heat exchange, ensuring silent operation and low power consumption without pumps or fans.

Main Features

Self-pumping seawater cooling (SP technology)
X-Large flat evaporator for maximum cooling performance
Up to 14.1 cu.ft. fridge or 4.7 cu.ft. freezer capacity
Secop BD50F compressor, 12/24V DC
Silent operation with no mechanical seawater pump
Click-on mounting bracket for simpler installation
Designed for large-volume 400 L refrigeration systems

Technical Specifications

Parameter	Value
Part Number	U400X133P12311AA
Model	SP “2556”
Evaporator Type	X-Large Flat
Evaporator Dimensions	54 × 12 inches
Fridge Capacity	14.1 cu.ft.
Freezer Capacity	4.7 cu.ft.
Max Box Volume	400 L fridge / 133 L freezer
Cooling Type	Self-pumping seawater cooling (SP)
Compressor	Secop BD50F
Compressor Dimensions	8 × 5 × 6 inches
Weight	31 lbs

The SP “2556” is the ideal solution for large onboard refrigeration systems requiring maximum capacity, silent seawater cooling, and highly efficient thermal performance.