Lennox 13W13 Blower Relay

24v Blower Relay

13W13 is the direct replacement for 13W1301, R76733900

Lennox 13W13 Blower Relay – Genuine OEM 24V HVAC Fan Control Relay

The Lennox 13W13 Blower Relay is a factory-authorized OEM replacement part designed to control blower motor operation in Lennox HVAC systems. This 24-volt relay helps ensure proper fan performance by managing electrical signals between the thermostat, control board, and blower motor.

Built to Lennox’s original specifications, the 13W13 blower relay delivers reliable switching performance, consistent operation, and long-lasting durability in residential and light commercial heating and cooling systems.

🔧 Product Features

• Genuine OEM Lennox Part – Official factory replacement

• Part Number: 13W13

• Voltage Rating: 24V

• Component Type: Blower relay / fan control relay

• Reliable Electrical Switching – Ensures proper blower motor activation

• Durable Construction – Designed for long-term HVAC operation

🏷️ Compatibility

Designed for use with Lennox HVAC systems that require a 24V blower relay.
Always verify part number and system compatibility before ordering.

⚙️ Function & Importance

The blower relay is responsible for activating the indoor fan motor during heating or cooling cycles. A malfunctioning relay can result in the blower not turning on, running continuously, or operating intermittently. Replacing a faulty relay with the OEM Lennox 13W13 helps restore dependable airflow and overall system performance.

✅ Why Choose the Lennox 13W13 OEM Blower Relay?

Using a genuine Lennox replacement ensures proper fit, electrical compatibility, and reliable long-term operation—helping maintain efficient airflow and protect HVAC components.