Peerless Boiler 50343 Hydrolevel 3250 Limit Control with LWCO for Oil Boilers

The Peerless Boiler 50343 is a universal replacement limit control featuring the Hydrolevel 3250 three-function control designed specifically for oil-fired boilers. This advanced control combines temperature limit, low water cut-off (LWCO), and boiler reset functionality in a single unit, providing comprehensive boiler protection and fuel-saving operation.

Key Features:

• Three-function control: temperature limit, LWCO, and boiler reset capabilities
• Compatible with cold start or warm start operation modes
• Thermal Targeting feature adjusts boiler water temperature based on heating demand to save fuel
• Factory set with Thermal Targeting in off position for flexible installation
• LWCO functionality automatically activated when installed on Hydrolevel Electro-Well
• 120 VAC, 60Hz electrical rating for standard residential applications
• Universal replacement for common aquastat models in the field
• Outdoor reset ready with optional OS-100 Outdoor Sensor Kit
• Dial-type limit settings for easy adjustment and programming

This control is used on Peerless boiler Series EC/ECT/-e, WV-DV, and WBV models. The integrated microprocessor-based Thermal Targeting technology monitors heating demand and automatically adjusts boiler temperature to optimize fuel efficiency without sacrificing comfort. When paired with a Hydrolevel Electro-Well, the unit provides critical low water cut-off protection against potentially dangerous low water conditions.