or complete heating failure

this switch is the direct B1370116 furnace part solution for resolving code trips related to overheating

Reliable Fail-Safe: Provides necessary mechanical force for spring-return functionality in direct-acting pneumatic systems

What are the electrical ratings for this timer

Enhanced Control Stability: Effectively compensates for external fluid forces to prevent "hunting" or erratic valve positioning

Lennox 21L98 Ignitor Electrode or complete heating failureThe 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