It will automatically re-engage the circuit once the furnace cools down to 125°F

Does this part include the seal or cap

these clear glass tubes offer a cost-effective solution for replacing clouded or etched indicators

or a blocked flue

Engineered for high-temperature resilience

Nor East Controls 30041085-218 Packing Spring It will automatically re-engage theThe Nor East Controls 30041085 218 Packing Spring is a critical mechanical component engineered for precise industrial control valve maintenance. In any high demand HVACR or process flow environment, the integrity of the stem seal depends on consistent alive loading. This replacement valve spring provides the exact compression force required to maintain packing seal integrity, preventing fugitive emissions and hazardous leaks in steam, water, or