Lennox 34W70 Plug 320734-701 monitors flame rectification through the

monitors flame rectification through the sensing circuit

it is professionally recommended to mount the unit with the cable entry pointing downward to prevent moisture ingress through the conduit

this snap disc safety switch ensures that the heat exchanger does not exceed thermal thresholds during airflow obstructions or blower failure

perfect for unsheltered industrial installations

Robust Construction: Plated housings and high-grade silicone diaphragms ensure long-term stability in commercial air pressure monitoring

Lennox 34W70 Plug 320734-701 monitors flame rectification through theThe Lennox 34W70 Jumper Plug is a critical OEM replacement part engineered for precise electrical bypass and diagnostic sequences within Lennox residential and commercial HVAC systems. Designed as a direct application component (Model LB 106432D), this jumper connector allows technicians to establish secure circuit continuity for testing or to bypass specific system parameters during troubleshooting without making permanent alterations to the original