The hub on the A65825 is located on the intake side

These gaskets are designed for the Watts GB-A series

and 1/2" Series 3003

Heat Resistance: The stainless steel outer jacket and brass sheath offer superior protection against high ambient temperatures and oxidation

Carrier 48GS400192 Flame Sensor The hub on the A65825The Carrier 48GS400192 Flame Sensor is a critical safety component designed for precise flame rectification in Carrier, Bryant, and Payne gas fired rooftop units and furnaces. Engineered to withstand high combustion temperatures, this HVAC flame rod monitors the burner flame and sends a microamp signal to the integrated furnace control (IFC) to maintain the gas valve circuit. If the sensor detects a loss of flame or carbon buildup, it immediately