Precise Tolerance: Manufactured to meet or exceed OEM specifications

including AirEase

Manual Override Protection: Prevents automatic restarts

Is the B1370193 a manual or automatic reset switch

For technicians troubleshooting frequent "open limit" fault codes

Nordyne 626464 Limit Switch Precise Tolerance: Manufactured to meetThe Nordyne 626464 is a professional grade automatic reset limit switch engineered for high accuracy thermal protection within Nordyne, Intertherm, and Miller residential heating systems. Designed specifically for air handlers and condensing units, this L135 15F furnace limit switch operates on a fixed temperature profile, typically featuring a 135F trip point to prevent heat exchanger damage and unsafe operating conditions. As a direct replacement