Lennox 21L98 Ignitor Electrode it is recommended to pour

it is recommended to pour approximately one cup of water into the assembly to establish the initial water seal before cycling the furnace

while the 25-amp inductive rating ensures it handles the high inrush currents typical of standard HVACR startup cycles

verifying the specific S1-025-38948-000 part number is recommended for guaranteed compatibility

Common Questions What causes a 150F manual reset limit switch to trip

Enhanced System Accuracy: Eliminates thermal lag

Lennox 21L98 Ignitor Electrode it is recommended to pourThe 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