Williams P271100 Flame Sensor for Forsaire Furnaces

The Williams P271100 is a critical safety component designed specifically for Williams Forsaire counterflow furnace systems. This OEM flame sensor provides essential flame detection to ensure safe furnace operation by continuously monitoring the presence of a flame during the heating cycle.

Key Features:

• Detects flame presence to ensure safe operation, automatically shutting off gas flow if no flame is detected
• Prevents dangerous accumulation of unburned gas in the furnace unit
• Built to Williams' original equipment specifications for guaranteed compatibility and reliable performance
• Direct OEM replacement part for select Forsaire furnace models

Compatible Models:

• Forsaire Counterflow Top Vent Furnaces: Models 3508 and 5508
• Forsaire Counterflow Direct Vent Furnaces: Models 4007 and 5507

This genuine Williams replacement flame sensor ensures your Forsaire furnace maintains proper safety standards and reliable operation. The sensor is a wear item that should be replaced when furnace ignition issues occur or as part of regular maintenance.