The Rittal 3374110 (SK 3374.110) is a wall-mounted air/water heat exchanger designed for industrial enclosure climate control. Operating on 115V 50/60Hz single-phase power with a basic controller, this unit delivers up to 10,236 BTU/h (3 kW) cooling capacity. It features a slate gray enclosure with copper/brass fluid pathways and IP55 / NEMA 12 protection for reliable closed-loop cooling in demanding environments.
Inspection & Condition Notes:
We have inspected this item and we do not have the capability to fully test it. This unit needs to be hardwired and should be installed by a professional. The fan assembly spins freely when turned by hand.
Defects Noted:
Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Technical Specs
| Item | Heat Exchanger |
| Manufacturer Part Number | 3374110 |
| Control Type | Basic Controller |
| Cooling Capacity - Maximum | 10,236 BtuH |
| Cooling Method | Air/Water |
| Cooling Setpoint - Maximum | 55 °C |
| Cooling Setpoint - Minimum | 20 °C |
| Current | 1.15/1.55 A |
| Environment | Weather-Resistant |
| Frequency | 50/60 Hz |
| Housing Color | Slate Gray |
| Housing Material | Copper/Brass |
| Mounting Type | Wall Mount |
| NEMA Enclosure Rating | 1; 3R; 12 |
| Operating Temperature - Maximum | 158 °F |
| Operating Temperature - Minimum | 34 °F |
| Operating Voltage | 115V |
| Operation Mode | Cooling Only |
| Overall Depth | 5.71 in |
| Overall Height | 37.4 in |
| Overall Width | 15.75 in |
| Phase | Single |
| Power Consumption | 3 kW |
| Product Type | Heat Exchanger |
| Wiring Method | Fully Wired |
| IP Rating | IP55 |