Amana-Goodman B1370254 Vent Stack Switch

The Amana-Goodman B1370254 Vent Stack Switch is a critical safety component designed for specific gas-fired furnaces and heating units. This L160-30F limit switch functions as a manual reset safety device, monitoring flue temperatures to prevent hazardous conditions resulting from vent blockages or combustion air failures. Operating with a fixed 160-degree Fahrenheit trip point and a 30-degree differential, this flue exhaust safety switch ensures the system shuts down if exhaust gases exceed safe thermal parameters. As a direct OEM replacement part, it maintains the integrity of the original equipment's safety circuit. When diagnosing furnace rollout or venting issues, technicians should verify the continuity of the B1370254 and inspect for obstructions in the chimney or vent pipe. Proper installation of this vent stack safety limit is essential for compliance with manufacturer specifications and ensuring correct HVAC pressure switch interaction within the control string.

• Precise Thermal Monitoring: Features a fixed L160 opening temperature to provide reliable protection against flue gas spillage.
• Direct OEM Fit: Ensures seamless compatibility with Goodman, Amana, and Janitrol gas furnaces, eliminating the need for field modifications.
• Manual Reset Functionality: Requires a manual intervention after a trip, forcing a necessary safety inspection of the venting system.
• High-Temperature Durability: Specifically engineered to withstand the rigorous environment of the vent stack assembly.

What causes the B1370254 Vent Stack Switch to trip?
This switch typically opens due to a blocked chimney, significant downdrafts, or a restricted heat exchanger causing flue gases to back up into the burner compartment.

Can I bypass this switch for testing?
While technicians may briefly jump the switch for diagnostic troubleshooting, the unit must never be operated permanently without a functional B1370254 safety limit in place.

Does this switch require specific orientation?
Yes, ensure the sensor is positioned correctly within the exhaust stream as per the manufacturer's wiring diagram to accurately sense high-temperature fluctuations.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.