For precise belt loss detection on larger loads

this component ensures the flame detection accuracy required for safe burner operation

but technicians should always verify with a multimeter during HVAC troubleshooting

replacing a warped or corroded wheel with the Carrier LA22LD132 restores the factory-specified static pressure balance

Verify the valve body stamping ensures it accepts the replaceable orifice assembly before installation

Nordyne 626540R Limit Switch 320734-701 For precise belt loss detectionThe Nordyne 626540R Limit Switch is a critical OEM replacement part engineered for high limit protection in Nordyne, Nortek, Intertherm, and Miller furnace systems. This heavy duty 150 200F auto reset thermostat serves as a primary safety mechanism, monitoring plenum temperatures to prevent heat exchanger damage or hazardous overheating conditions. Featuring a standard 3 4 inch outer diameter and a surface mount configuration, the Nortek 626540R