Hydrolevel 3150 Oil Fired Boiler Low Water Cut-Off

The Hydrolevel 3150 Oil Fired Boiler Low Water Cut-Off is a crucial safety component for residential heating systems, ensuring reliable protection in oil-fired boilers. This 2-function low water cutoff detects low water conditions and safely shuts down when necessary. Features such as a universal temperature limit, a simple dial-type setting for temperature and differential, and a dynamic temperature display provide clear, hands-on control and quick status checks.

Designed for standard 120V AC input, it operates within a low limit of 110–200°F, a high limit of 100–220°F, and a differential of 10–30°F. The unit handles water as the media and is UL-listed for residential use, delivering robust protection with burner contact ratings of 7.4A full load and 44.4A locked rotor, plus switching capacities of 5.8A full load and 34.8A locked rotor at 120V AC. Compact dimensions (4.6W x 3.7D x 6.3H) fit tight boiler rooms and simplify installation.

• Universal Temperature Limit for precise protection
• Simple Dial Type Temperature and Differential Setting
• Dynamic Temperature Display for at-a-glance monitoring
• LED Status Light indicates operational state
• Test/Settings Button for quick diagnostics
• Residential use with UL listing for safety