Burnham Boiler 109709-01 Aquastat Limit Control

The Burnham Boiler 109709-01 Aquastat Limit Control is a temperature component used to regulate water and protect the boiler from overheating conditions. It is installed in hot water heating system where it continuously monitors boiler water temperature and interrupts burner operation when the preset high limit is reached. In HVAC systems, it operates as a vital and control component that maintains stable heating performance by preventing excessive temperature rise and ensuring proper cycling of the burner during operation. It supports system efficiency and secure operation.