This is a special order item. Est. arrival at B&H is 7-14 business days (subject to availability). Your order will be charged at the time of shipment.
International Orders*The Bosch BK57-2 is a blower assembly designed to install in a Bosch TC9346A outdoor housing, keeping the window clear from fog in high humidity conditions.
Note! Requires O/I-PCB assembly (PC board with thermostat) B&H # BOOIPCB
| Power Requirements | 24 VAC |
| Power Consumption | 10W |