AO Smith 9004520215 Boiler Flame Sensor

Boiler Flame Sensor AO Smith 9004520215 is a critical safety component designed for gas-fired hot water boilers, delivering precise flame detection and stable ignition. This sensor ensures proper burner operation and helps protect your boiler by confirming flame presence across AO Smith GB/GW models 1000/1300/1500/1850/2100/2500.

Used on Item Gas Fired Hot Water Boiler, this flame sensor is engineered for reliable performance in demanding heating systems. By providing accurate flame verification, it minimizes false shutoffs and supports efficient boiler operation while extending service life.

• Compatibility: GB/GW 1000, 1300, 1500, 1850, 2100, 2500
• Part number: 9004520215
• Function: flame detection and ignition safety for gas-fired boilers
• Replacement part for AO Smith gas-fired hot water boilers
• Durable design built for regular boiler cycles and long life