the ASCO 8214G23 acts as the "bleed" valve

Does this kit work for both internal and external control models

Standard Connectivity: Features 1/4-inch barbed fittings for quick integration with existing pneumatic control loops

The low-smoke PVC jacket features sequential footage markings to eliminate guesswork during long runs

comes equipped with dual 1/4" barb connections for seamless integration into existing pneumatic tubing layouts

Burnham Boiler 104450-01 Aquastat Relay 30067439-890 the ASCO 8214G23 acts asThe Burnham Boiler 104450 01 Aquastat Relay serves as the primary immersion controller for hydronic heating systems, regulating high limit protection and circulator functionality. This critical component is engineered to maintain precise water temperatures and prevent boiler overheating by interrupting power to the burner if the high limit set point is exceeded. As an OEM replacement part for Burnham hydronic boilers, it ensures seamless integration