Westinghouse 626343R Flame Rollout Limit Switch 300 Degrees F

Product Description

The WESTINGHOUSE 626343R is a flame rollout limit switch rated at 300 degrees F, designed to protect gas furnace systems from dangerous flame rollout events. When burner flames extend outside the combustion chamber, this switch detects the abnormal heat condition and interrupts the control circuit, shutting down the burner before damage or hazard can escalate. It is a direct safety control component installed by licensed HVAC technicians during routine service, troubleshooting, or warranty replacement work on upflow and horizontal gas furnace configurations.

This limit switch is specified for use on the G6RX Upflow/Horizontal Gas Furnace. It is suited to residential gas heating applications where flame rollout protection is required as part of the furnace safety control circuit. Technicians encounter this part during heat exchanger inspections, burner assembly service, or any diagnostic procedure that points to an open rollout limit condition.

Key Features

• Flame rollout limit switch rated at 300 degrees F trip temperature
• Interrupts burner control circuit on detection of abnormal flame rollout
• Designed for upflow and horizontal gas furnace orientations
• OEM-style replacement for straightforward installation
• Supports safe system shutdown to protect heat exchanger and surrounding components

Compatibility

Specified for use on the G6RX Upflow/Horizontal Gas Furnace.

Installation Notes

Installation should be performed by a licensed HVAC technician. Before servicing, shut off all electrical power to the furnace at the disconnect and close the manual gas shutoff valve. Flame rollout limits that have tripped should prompt a thorough inspection of the burners, heat exchanger, and venting system for root cause before the replacement switch is placed into service. Work should comply with applicable local codes and the furnace manufacturer's service documentation.

Technical Specifications

• Switch Type: Flame Rollout Limit Switch
• Trip Temperature: 300 degrees F
• Application: Upflow/Horizontal Gas Furnace

Standard Information

• Brand: WESTINGHOUSE
• Manufacturer Part Number: 626343R