allowing different field devices to communicate effectively with the main controller

Technical Reliability: Features Class B insulation and a quiet

While compressed air can clear temporary debris

Lockout occurs after the three-try ignition sequence fails to detect a flame sense signal

Lennox 13W13 Blower Relay 320734-701 allowing different field devices toThe Lennox 13W13 Blower Relay is a genuine OEM 24V furnace fan control relay designed for precise blower motor activation in residential and light commercial HVAC systems. This HVAC blower relay replacement serves as the critical switching interface between the low voltage thermostat circuit and the high voltage blower motor, ensuring the fan cycles correctly during heating and cooling demands. Engineered to exact factory specifications, the Lennox