Supco Q111 24V DPST Sequencer for HVAC Heating Systems

The Supco Q111 is a field-proven sequencer designed for controlling the operation of heating elements and blower motors in electric, gas, or oil heating systems. This 24-volt DPST (Double Pole Single Throw) unit features 2 switches with adjustable timing: M1-M2 terminals with 10-40 seconds on time and 90-160 seconds off time, and M3-M4 terminals with 10-30 seconds on time and 30-60 seconds off time.

Key Features:

• Ensures proper timing and staged activation of multiple heating elements, preventing electrical surges and optimizing system performance
• Compatible with electric, gas, and oil heating systems
• 24-volt operation with DPST configuration for reliable switching
• Adjustable timing intervals for customized sequential control
• Ideal for use in residential and commercial HVAC systems

Built to meet industry standards, the Q111 offers consistent performance in furnaces, heat pumps, and other heating applications. This genuine OEM replacement sequencer provides dependable control for multi-stage heating systems, ensuring efficient operation while reducing electrical load spikes during startup.