Description
The Nordyne 626484R is an OEM replacement limit switch engineered to provide reliable high-temperature protection in Nordyne A, B, and F series furnaces. This single-pole (1S) limit switch features a 1/2″ disc configuration and is factory-set to open at 160°F and automatically reset at 140°F, ensuring your furnace shuts down safely during overtemperature conditions and restores operation once temperatures return to a safe range.
Designed as a direct replacement for failed or worn limit switches, the 626484R helps maintain peak furnace efficiency and protects heat exchangers, blower motors, and other critical components from heat-related damage. Its plug-and-play design simplifies installation for HVAC technicians servicing compatible Nordyne equipment.
Key Features
- OEM Nordyne replacement limit switch — SKU 626484R
- 1/2″ disc form factor for easy drop-in replacement
- Single-pole (1S) switching action
- Opens at 160°F to interrupt furnace operation during overtemperature events
- Automatically resets (closes) at 140°F when safe temperatures are restored
- Compatible with Nordyne A, B, and F series furnace models
- Protects heat exchangers and internal components from thermal damage
Specifications
- Brand: Nordyne
- Part Number: 626484R
- Switch Type: Limit Switch
- Disc Size: 1/2″
- Poles: Single-pole (1S)
- Open (Trip) Temperature: 160°F
- Close (Reset) Temperature: 140°F
- Compatible Series: A, B, F
Application
The 626484R limit switch is a critical safety component in Nordyne-manufactured furnaces. It monitors supply air or heat exchanger temperatures and interrupts the burner circuit when temperatures exceed the 160°F threshold, preventing overheating and potential equipment damage. Always verify compatibility with your specific furnace model before installation.
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