This OEM heater relay terminal layout is optimized for field-ready installation

Common Questions Is this board compatible with both Mark IV and older control systems

the internal silicone diaphragm and snap-acting SPDT (Single Pole Double Throw) switch ensure reliable performance even when exposed to air or combustion by-products

monitors relief valve discharge to mitigate flood damage in mechanical rooms

Belimo FSLF24-SFC Actuator 320734-701 This OEM heater relay terminalThe Belimo FSLF24 SFC is a specialized fire and smoke damper actuator designed for use in life safety applications requiring UL 555 and UL 555S compliance. Operating on a 24V AC DC power supply, this spring return actuator delivers 30 in lb of torque, ensuring high reliability fail safe operation during power loss or fire alarm triggers. The FSLF24 SFC features a fast acting 15 second drive time and includes integrated auxiliary switches for remote