Description
The Nordyne 626547R is a manual reset rollout switch engineered to protect furnaces and heating equipment from the hazards of flame rollout. When burner flames roll out beyond the combustion chamber — due to a blocked heat exchanger, restricted venting, or improper airflow — this safety switch detects the excessive heat and immediately interrupts the circuit, shutting down the burner before damage or injury can occur.
Key Features
- Trip temperature: 320°F — precisely calibrated to detect dangerous flame rollout conditions
- Manual reset design — requires intentional technician reset, ensuring the root cause is identified and corrected before the system is returned to service
- SPST (Single Pole, Single Throw) switching configuration for straightforward wiring integration
- Direct OEM replacement for compatible Nordyne furnace models
- Durable construction built to withstand the high-heat environment of the furnace burner compartment
Why Rollout Switches Matter
Flame rollout is a serious safety hazard that can cause heat exchanger damage, carbon monoxide leaks, and fire risk. The 626547R acts as a critical last line of defense, cutting power to the burner the moment temperatures at the switch location exceed the 320°F threshold. Because this switch requires a manual reset, it prevents the system from automatically restarting until a qualified technician has diagnosed and resolved the underlying issue — protecting both the equipment and the occupants.
Application
- Designed as a direct OEM replacement for Nordyne-branded furnaces and heating systems
- Suitable for residential and light commercial furnace applications
- Ideal for use during routine maintenance, safety inspections, and service calls
Specifications
- Brand: Nordyne
- Part Number: 626547R
- Switch Type: Rollout Safety Switch
- Reset Type: Manual Reset
- Configuration: SPST (Single Pole, Single Throw)
- Trip Temperature: 320°F
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