Common Questions: What is the benefit of the SZ low temperature charge

Optimal Efficiency: Maintains factory-spec BTU output by providing a clean

When troubleshooting interlocking circuits or multi-stage systems

Direct OEM Replacement: Replaces 818707-005K and 816707-001 ensuring identical specifications and performance

Lennox 83L88 Rollout Switch 320788-704 Common Questions: What is theWhen high limit safety is the priority, the Lennox 83L88 Rollout Switch serves as a critical 200F defensive component for the burner assembly. This manual reset rollout switch is engineered with a Single Pole Single Throw (SPST) configuration, designed to break the electrical circuit and initiate a safety shutdown if it detects flame rollout or excessive heat near the combustion chamber. As an authentic OEM Lennox replacement part, this 200 degree