Description
The Burnham Boiler 105648-01 is a precision outdoor air temperature control with outdoor reset functionality, engineered to maximize hydronic boiler efficiency and deliver consistent indoor comfort. By continuously monitoring outdoor ambient conditions, this control dynamically adjusts the boiler’s supply water temperature — delivering only the energy required to maintain comfort at any given moment.
How Outdoor Reset Works
Outdoor reset is one of the most proven strategies for improving hydronic system efficiency. As outdoor temperatures rise, the control lowers the boiler’s target supply water temperature. As temperatures fall, it raises it. This continuous adjustment eliminates unnecessary high-temperature operation, minimizes short-cycling, reduces thermal stress on system components, and extends overall equipment life — all while keeping occupants comfortable.
Key Features
- Continuously monitors outdoor air temperature to optimize boiler supply water temperature
- Outdoor reset functionality reduces fuel consumption and improves overall system efficiency
- Genuine OEM replacement part engineered to Burnham’s exact specifications
- Reduces short-cycling and thermal stress on boiler components
- Maintains consistent indoor comfort across a full range of outdoor conditions
- Direct-replacement design ensures proper fit and reliable, long-term performance
Applications
- Residential and light commercial hydronic heating systems
- Compatible Burnham boiler models requiring outdoor reset control
- Forced hot water (hydronic) systems with variable supply water temperature requirements
Why Choose Genuine Burnham OEM Controls
Selecting a genuine Burnham OEM replacement control ensures full compatibility, dependable performance, and warranty compliance. The 105648-01 is built to Burnham’s exact engineering standards, providing seamless integration with your existing boiler system and controls wiring — no guesswork, no compromises.







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