Description
The Taco Comfort Solutions LFM1203S-1 is a 120-volt Manual/Reset Low Water Cut-Off (LWCO) control designed to protect hot water and steam boilers from the hazards of low-water conditions. Featuring a 3/4″ probe connection, this unit continuously monitors boiler water levels and automatically shuts down the burner when water drops below a safe threshold — preventing costly damage and dangerous dry-fire situations. The manual reset function ensures that a technician must physically inspect and reset the control before the system is allowed to restart, adding an important layer of safety accountability to any hydronic heating system.
Key Features
- 120V operating voltage for compatibility with standard residential and light commercial boiler systems
- Manual/Reset (M/R) operation requires deliberate technician intervention before system restart
- 3/4″ probe connection for straightforward installation into boiler tappings
- Probe-type sensing technology provides reliable, accurate water level detection
- Shuts down burner automatically upon detection of low-water condition
- Helps prevent costly boiler damage caused by dry-fire or low-water events
- Engineered by Taco Comfort Solutions, a trusted name in hydronic heating controls
Specifications
- SKU: LFM1203S-1
- Brand: Taco Comfort Solutions
- Voltage: 120V
- Reset Type: Manual/Reset (M/R)
- Probe Size: 3/4″
- Control Type: Low Water Cut-Off (LWCO)
Applications
- Hot water and steam boiler protection
- Residential and light commercial hydronic heating systems
- New installations and replacement of existing LWCO controls







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