The Nordyne 626548R Limit Switch is a critical safety component designed for high-limit temperature monitoring in Intertherm

Can this relay replace a 24V or 120V model

allowing technicians to push

calibrated to open at 170°F and close at 140°F

a reading significantly different from 15K ohms indicates the resistor is faulty and requires replacement

Reznor 85449 Limit Switch The Nordyne 626548R Limit SwitchThe Reznor 85449 is a critical safety component designed for precise thermal regulation in commercial gas fired unit heaters and furnaces. This 140 200F Auto Limit Switch monitors internal air temperatures, functioning as a primary high limit safety by interrupting the burner circuit if the heat exchanger surpasses the 200F threshold. As an OEM replacement part, it ensures seamless compatibility with Reznor UDAP, UDAS, and UDX series heaters,