Description
The Baltimore Aircoil (BAC) RK3645 is a factory-engineered, genuine OEM 6-probe water level control designed for use with BAC cooling towers and evaporative cooling equipment. By continuously monitoring basin water levels at multiple sensing points, this precision control assembly helps maintain optimal system performance, prevent dry-running conditions, and protect equipment from damage caused by improper water levels.
Key Features
- 6-probe sensing configuration delivers accurate, multi-point water level detection
- Genuine Baltimore Aircoil OEM replacement component — engineered to exact BAC specifications
- Monitors basin water levels to safeguard continuous cooling tower operation
- Helps prevent low-water damage and overflow conditions
- Direct-fit replacement minimizes installation time and reduces downtime
- Supports reliable, long-term performance of evaporative cooling systems
Application
The RK3645 is designed for Baltimore Aircoil cooling towers and evaporative condensers where precise water level management is critical. The 6-probe design provides multiple sensing points across a range of water levels, enabling accurate support for alarm triggering, makeup water control, and pump protection functions.
Why Choose a Genuine BAC Replacement Part
Using genuine Baltimore Aircoil replacement components ensures full compatibility, reliability, and continued warranty compliance. The RK3645 is built to meet the exact performance standards of your BAC equipment — minimizing unplanned downtime and keeping your system running at peak efficiency.
Specifications
- Brand: Baltimore Aircoil (BAC)
- Part Number: RK3645
- Probe Count: 6
- Function: Water Level Control
- Application: Cooling Towers / Evaporative Cooling Equipment







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