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• Temperature limit designed for cold start and tankless coil boilers
• Low water cut-off provides protection against potentially dangerous low water conditions when installed with the hydrolevel electro-well
• Thermal targeting technology to conserve fuel by monitoring heating demand
• Outdoor reset ready provides outdoor reset and warm weather shutdown with addition of outdoor sensor kit

Hydrolevel 3200-PLUS

Hydrolevel 3250-PLUS

• Combustion pressure switch check feature and communication interface capability
• Heavy duty electro-mechanical design for long life
• Automatically re-energizes circuit upon return to safe water level
• Equipped with shorter probe for mounting in standard reducing tees
• SPDT switch contact
• Includes shorter EL1214-SV probe suitable for mounting in standard black tee

Hydrolevel B103-30

• Interrupts power immediately in a low water condition
• Provides contacts for optional low-water alarm, heavy-duty construction
• Automatically restarts burner on return of normal water level
• NEMA 1 enclosure

• Burner circuit contacts open after 15 sec delay in a low water condition
• Delay prevents short cycling caused by momentary fluctuations in the boiler water level
• Automatically reactivates burner circuit 30 sec after water reaches the probe, allowing optional water feeder to raise water level above the probe
• SPDT switch contact

Hydrolevel B103-38

• Automatically shuts off burner in a low water condition to prevent boiler damage
• Heavy duty construction and 16 amp relay suitable for virtually any commercial water boiler needs
• Burner circuit test butTon and interrupts power immediately in a low water condition
• LED indicator lights
• SPDT switch contact
• Includes EL1214-P probe with longer nut for boilers with thicker jackets

Hydrolevel 550P

• Provides step-by-step, diagrammed instructions for fast, easy installation and wiring
• Burner circuit locks-out if water remains below probe for 30 sec
• Burner circuit test butTon allows for testing the control without lowering the water level and indicator lights for easy troubleshooting
• SPDT switch contact

• Compact design and burner circuit test butTon
• Power and low water LED indicators
• Automatically restarts burner on return of water level
• Interrupts power immediately in a low water condition and features test butTon, onboard indicating lights and easy to follow installation instructions
• Includes plug-in wire harness with labelled quick connect terminals
• SPDT switch contact

Hydrolevel 1150MINI