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While designed for Schneider Electric (Barber Colman) thermostats
Thermal Endurance: Optimized for high-temperature applications such as steam or hot water heating loops
When you are troubleshooting ignition failure or weak flame signals
Techs value the full-size orifice
What is the primary cause of signal failure in these switches
Lennox 13W22 Sequencer 326058-755 While designed for Schneider ElectricThe Lennox 13W22 Heat Sequencer is a critical multi stage relay designed for precise staging in electric furnaces and air handlers. As a direct replacement for the Armstrong R110000244 and Lennox 13W2201, this 24V control switch manages the timing of heating elements to prevent high inrush current and circuit overloading. This HVAC sequencer relay features a DPST (Double Pole Single Throw) configuration and utilizes a reliable bi metal thermal disc to
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