9°C to 65

it effectively mitigates common pressure switch faults and eliminates the grinding noise typical of worn-out shaded pole motors

Prevents costly leaks and associated system damage or downtime

ensuring the inducer motor or blower assembly is generating sufficient draft before allowing the ignition sequence to proceed

Reliable Construction: Equipped with dual ball bearings and an open air-over (OAO) enclosure for optimal heat dissipation during continuous operation

Lennox 34W70 Plug 319825-402 9°C to 65The 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