Lennox 13H78 General Purpose DPDT Relay 24V

The Lennox 13H78 is a general purpose DPDT (Double Pole Double Throw) relay designed for use in residential and light commercial HVAC systems. This genuine OEM replacement part operates on 24 volts AC at 50/60 Hz, making it compatible with standard low-voltage control circuits found in furnaces, air handlers, and heat pumps.

Key Features:

• DPDT configuration allows simultaneous switching of two separate circuits
• 24 VAC coil voltage for standard HVAC control applications
• Dual frequency operation: 50/60 Hz
• Compact, lightweight design at 0.15 lbs
• Genuine Lennox OEM part ensuring quality and compatibility

This relay is commonly used to control various HVAC functions including blower motors, fan operations, and auxiliary heating circuits. The DPDT design provides versatility for applications requiring multiple circuit control from a single relay. Installation requires basic knowledge of HVAC electrical systems and should be performed by qualified technicians.

Applications: Suitable for Lennox furnaces, air handlers, heat pumps, and other HVAC equipment requiring general purpose relay control.