Description
The Advanced Distributor Products (ADP) 176700251 is a rollout switch designed to protect furnaces and heating systems from the hazards of flame rollout. As a critical safety component, this switch monitors burner operation and automatically shuts down the heating system when abnormal flame rollout conditions are detected, helping to prevent heat exchanger damage, carbon monoxide hazards, and potential fire risks.
Product Overview
Flame rollout switches are thermal safety devices mounted near the burner assembly. When burner flames roll out beyond their normal combustion zone — due to a blocked heat exchanger, restricted flue, or other combustion issues — the switch trips to cut power to the gas valve and shut down the system, protecting both the equipment and the occupants.
Key Features
- Designed as a direct OEM replacement for compatible Advanced Distributor Products (ADP) furnace systems
- Provides automatic shutoff upon detection of flame rollout conditions
- Helps prevent heat exchanger damage and potential fire hazards
- Protects against carbon monoxide risks associated with improper combustion
- Engineered for reliable, long-term performance in residential and light commercial heating applications
- Compact design for straightforward installation near the burner assembly
Application
- Compatible with select Advanced Distributor Products (ADP) furnace and air handler models
- Suitable for residential and light commercial HVAC systems
- Intended as a direct OEM replacement part
Why Replace Your Rollout Switch?
A tripped or failed rollout switch is a signal that your furnace may have a serious underlying issue. Always inspect the burner, heat exchanger, and venting system before resetting or replacing a rollout switch. Using a genuine ADP replacement like the 176700251 ensures proper fit and reliable safety performance.







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