Description
The Taco LTR0243L-1 is a 24V testable low water cut-off (LWCO) designed to protect boilers and hydronic heating systems from dangerous low-water conditions. Engineered for reliable, code-compliant operation, this control automatically shuts down the burner circuit when water levels drop below a safe threshold — preventing costly heat exchanger damage and potential system failures.
Key Features
- 24V operating voltage for compatibility with standard boiler control circuits
- Manual reset operation — requires deliberate technician action before restart, ensuring safe system inspection after a low-water event
- Built-in test function allows routine verification of LWCO operation without draining the system
- Included wiring harness simplifies installation and ensures secure, organized electrical connections
- LED status indicators provide at-a-glance diagnostics for power, fault, and water level status
- 3/4″ NPT connection for straightforward integration into standard boiler piping
Why Low Water Cut-Offs Matter
A low water cut-off is a critical safety device on any steam or hot water boiler. Without adequate water, a boiler can overheat, crack the heat exchanger, or create hazardous conditions. The LTR0243L-1 provides dependable protection by continuously monitoring water presence and interrupting the burner circuit the moment a low-water condition is detected.
Testability & Compliance
Many local codes and insurance requirements mandate periodic LWCO testing. The LTR0243L-1’s built-in test capability makes compliance straightforward — technicians can verify proper cut-off function during routine maintenance calls without system shutdown or water drainage.
Specifications
- SKU: LTR0243L-1
- Brand: Taco Comfort Solutions
- Operating Voltage: 24V
- Reset Type: Manual Reset
- Connection Size: 3/4″ NPT
- Indicators: LED Status Indicators
- Wiring Harness: Included
- Application: Boiler / Hydronic Heating Systems
Installation Notes
Install in accordance with local codes and the manufacturer’s instructions. The 3/4″ NPT fitting connects directly to the boiler at or near the minimum safe water level. Always verify proper operation using the built-in test function after installation and during scheduled maintenance.
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