Supco Q105 Electric Heat Sequencer 24V 3-Switch DPST/SPST

The Supco Q105 is a reliable 24-volt electric heat sequencer designed for precise timing control in residential and light commercial HVAC systems. This field-proven sequencer controls the operation of heating elements and/or blower motors in electric, gas or oil heat systems.

Key Features:

• Adjustable timing with 1-110 seconds on-time and 1-110 seconds off-time range
• 24-volt control circuit for safe, low-voltage operation
• 5-second delay between all subsequent stages unless they function together
• Contacts M1-M2 turn on first and turn off last, as required by UL and CSA for electric heating applications
• UL and CSA approved for safety and reliability
• Double quick-connect terminals for easy installation

Specifications:

• Switch Configuration: (1) DPST and (1) SPST - 3 switches total
• Number of Timings: 2
• Control Voltage: 24V
• Dimensions: 2.5 inches high x 3 inches wide x 3.75 inches deep

Cross-Reference Information:

Replaces Mars 33232, White Rodgers 24A34-5, TOD 51172-32, and other compatible models. Ideal for strip heat and blower fan applications in heat pumps, electric furnaces, and other forced-air heating systems.