York S1-024-19082-018 Heat Relay

The York S1-024-19082-018 Heat Relay is a precision-engineered OEM replacement part designed for residential and light commercial HVAC systems. As a critical safety component, this 24V heat sequencer relay utilizes a temperature-responsive bi-metallic mechanism to manage power flow to heating elements. By systematically engaging and disengaging circuits, the S1-024-19082-018 prevents thermal overload and protects the integrity of the compressor and blower motor. This specific York HVAC relay is built for durability in high-cycle environments, ensuring reliable cold-start performance and consistent temperature regulation. In many York and Johnson Controls configurations, including the TSC series, this relay acts as the primary interface between the thermostat and the heating circuit, utilizing a low-voltage coil to switch higher amperage resistive loads. For technicians, this direct-fit component ensures exact electrical alignment with existing wiring harnesses, maintaining the efficiency of the original equipment while mitigating risks associated with overheating or circuit failure.

• Precise Thermal Protection: Employs a bi-metallic disc to disconnect circuits during high-temperature conditions, safeguarding critical system components.
• Reliable 24V Activation: Designed for seamless integration with standard 24VAC control systems, ensuring responsive switching from the thermostat signal.
• OEM Compatibility: Specifically engineered as a genuine replacement for York S1-024-19082-018, eliminating the need for field modifications or generic bracket adjustments.
• Heavy-Duty Construction: Built to withstand commercial-grade cycle counts, reducing downtime caused by relay chatter or contact welding.

• Which York models are compatible with this heat relay? This relay is commonly used in York residential air handlers and heat pumps; always verify the part number against your unit's specific wiring diagram before installation.
• Does this relay manage the blower fan timing? Yes, in many configurations, this sequencer relay provides the necessary time delay to allow the heating elements to reach temperature before the blower engages.
• Can I use this for non-York equipment? While functionally similar to other 24V sequencers, the S1-024-19082-018 is optimized for York/Johnson Controls equipment specifications.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.