the internal bimetal disc may be fatigued

The durable construction resists the high-temperature environments common in industrial gas-fired unit heaters

High Compatibility: Direct cross-reference for Mars 33364

While a faulty switch can occur

The White-Rodgers 1F51N-619 is a heavy-duty

Resideo Q345A1305 Igniter-Burner the internal bimetal disc mayThe Resideo Q345A1305 Igniter Burner is a critical replacement component designed for intermittent pilot ignition systems in high efficiency natural gas furnaces and boilers. This non primary aerated combination pilot burner and igniter features a single tip style with a front facing orientation, ensuring precise flame rectification and consistent main burner ignition. Engineered with a BCR 18 0. 018" orifice and a 1 4" compression fitting, this unit