The Lennox 43H89 is a Double Pole Double Throw (DPDT) relay engineered as a genuine OEM replacement component for compatible Lennox HVAC systems. Designed to deliver dependable switching performance, this relay operates at 24 volts and is rated for 15 amperes, making it well-suited for controlling loads in heating, cooling, and air handling applications.
Key Features
- DPDT (Double Pole Double Throw) switching configuration
- 15A current rating for robust load control
- 24V coil voltage — standard for HVAC control circuits
- Genuine Lennox OEM replacement part (SKU: 43H89)
- Designed for compatibility with select Lennox heating and cooling equipment
Applications
- Lennox furnace and air handler control circuits
- HVAC system switching and sequencing
- OEM replacement in compatible Lennox equipment
Why Choose the Lennox 43H89?
Using a genuine OEM relay ensures proper fit, function, and reliability within your Lennox system. The 24V coil voltage aligns with standard HVAC low-voltage control wiring, while the 15A rating provides ample capacity for typical HVAC switching loads. Technicians and contractors can trust this relay to restore system performance to factory specifications.
