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Common Questions What causes a 150F manual reset limit switch to trip
3" in width
Common Questions: How do I test if the 1173454 coil is defective
which utilizes a specialized blend of desiccants to provide maximum moisture removal and acid capacity
Lennox 21L98 Ignitor Electrode Common Questions What causes aThe Lennox 21L98 Ignitor Electrode is a critical furnace component designed for precise direct spark ignition (DSI) sequences in high efficiency residential and commercial units. This genuine OEM part, which is cross referenced and identical to Lennox 21L9801, ensures the correct spark gap and flame rectification required for consistent burner light off. Unlike generic alternatives, the 21L98 is engineered with high grade ceramic insulation to prevent