Description
The Supco Q112 is a dependable heat sequencer designed for use in electric heating systems, including electric furnaces and air handlers. Heat sequencers play a critical role in staging the activation of electric heating elements, preventing simultaneous energizing of multiple elements that could cause nuisance tripping of circuit breakers and excessive inrush current. The Q112 is engineered to provide consistent, reliable performance as a direct replacement in a wide range of residential and light commercial electric heating applications.
Key Features
- Designed for electric furnace and air handler heating element sequencing
- Stages heating element activation to prevent overloading electrical circuits
- Reliable bimetal switching action for consistent performance
- Direct replacement for OEM heat sequencers in compatible systems
- Compact design for easy installation in tight equipment spaces
Why Use a Heat Sequencer?
Heat sequencers are essential components in electric heating systems. By staggering the turn-on and turn-off times of individual heating elements, they reduce peak electrical demand, protect circuit breakers, and extend the service life of heating elements. The Supco Q112 ensures your electric heating system operates safely and efficiently with every cycle.
Application
- Residential electric furnaces
- Electric air handlers
- Light commercial electric heating equipment
Brand
Supco is a trusted name in HVAC/R replacement components, offering a broad range of high-quality parts for heating, cooling, and refrigeration systems.







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