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Common Questions: Can this be used for dead-end lockup applications
these part numbers are identical and are used interchangeably by the manufacturer
replacing the oem burner gasket is standard protocol to avoid nuisance pressure switch trips or combustion inefficiencies
The high-impact ABS plastic enclosure ensures durability in rigorous duct environments
if your specific Heil Quaker model requires a shorter run
Carrier HH18HA435 Limit Switch 318973-401 Common Questions: Can this beReplace failing thermal components with the Carrier HH18HA435 Limit Switch, a critical safety device engineered for precise temperature monitoring in residential and commercial furnaces. As a veteran grade 100 135F auto limit switch, this component is designed to interrupt the electrical circuit if the plenum temperature exceeds 135F, preventing heat exchanger damage and ensuring system integrity. Once the temperature drops to the 100F reset point,
