Lennox 43H89 Relay

Upgrade your electrical control board with the Lennox 43H89 Relay, a professional-grade DPDT 15A 24V coil relay designed for demanding HVACR environments. As a veteran-preferred component for Lennox 43H8901 replacement, this double pole double throw relay provides reliable switching for indoor blower motors, electric heat sequencers, and cooling fan circuits. Integrated with a standard 24V AC coil, it handles up to 15 amps at 120/240V, supporting both residential air handlers and commercial rooftop units. The robust 50/60 Hz construction ensures stable performance across Lennox furnace relay applications and cooling system automation. Whether cross-referencing for 161P04 or 23229-70, this HVAC switching relay offers the precise contact engagement required for high-cycle industrial control panels.

Key Benefits for Technicians:

• Dual-Circuit Control: The double pole double throw (DPDT) configuration allows for simultaneous switching of two independent electrical paths, perfect for multi-stage systems.
• High Amperage Rating: Rated for a 15A maximum load (8A continuous), ensuring durability in electric furnace and air handler control.
• Broad Compatibility: Genuine Lennox OEM quality ensures a direct fit for hundreds of models, including the GCS20 and CHA16 series.
• Technical Reliability: Engineered for 24-volt low-voltage control circuits with consistent 50/60 Hz frequency operation to prevent contact chatter.

Common Questions:

Is the Lennox 43H89 a direct replacement for part 43H8901?
Yes, the Lennox 43H89 and 43H8901 are the same physical component and are used interchangeably in manufacturer parts manuals.

What are the contact ratings for this DPDT relay?
This 15A 24V relay features a 24VAC coil and is rated for up to 15A at 125VAC or 240VAC, making it suitable for motor and resistive loads.

Can I use this for non-Lennox HVAC equipment?
While designed for Lennox HVAC systems, the 43H89 functions as a universal 24V DPDT relay for any application requiring 15A switching capacity.

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.