Lennox 97J49 Limit Switch 320734-701 The relay is typically rated

The relay is typically rated at 30A @ 277VAC

By eliminating brushes

Industrial Versatility: A 1/2" NPT port size facilitates easy integration into standard piping systems

Professionals should verify coil resistance and contact continuity as part of standard HVAC relay troubleshooting to prevent premature failure of downstream motors and ignition controls

1" Bore Diameter: Precision machined for a secure fit on standard motor and blower shafts

Lennox 97J49 Limit Switch 320734-701 The relay is typically ratedThe Lennox 97J49 Limit Switch is a mission critical safety component engineered for precise thermal regulation in residential and light commercial HVAC systems. This OEM Lennox replacement part functions as a high limit safeguard, specifically calibrated for a 120 150F temperature range to protect the heat exchanger from catastrophic thermal stress. As a veteran grade furnace limit switch, the 97J49 features an automatic reset (AUTO) mechanism,