Ensure proper heating element activation with the OneStitchAbove Furnace Heat Sequencer Relay, a high-quality replacement for Emerson part 24A34-5. This sequencer delivers precise timing control, allowing your furnace's heating elements and blower to activate and deactivate in the correct order for safe system operation. Manufactured using durable electrical contacts and heat-resistant components, this upgraded sequencer offers dependable long-term performance. It helps prevent system overload, reduces stress on heating elements, and promotes smoother warm-up cycles in electric furnace systems. Designed for compatibility with a wide range of 15/17 kW units, the OneStitchAbove sequencer installs quickly and provides a reliable, cost-effective repair solution. Whether you're replacing a failing component or performing routine HVAC maintenance, this part restores consistent and safe furnace functionality.