By regulating high-voltage operations based on thermostat inputs

Common Questions Which boiler models use this part

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To ensure technical reliability and proper heat dissipation of the internal components

including various D3YS model furnaces and gas-fired heating systems

Lennox 47W64 Limit Control 322057-301 By regulating high-voltage operations basedThe Lennox 47W64 Limit Control is a critical safety component engineered for high limit thermal protection in Lennox HVAC units. This fixed temperature limit switch features an L210 30F configuration, meaning it is designed to open the electrical circuit at 210F and automatically reset when the temperature drops by a 30F differential. Built for durability in high cycle environments, this manual reset limit control prevents heat exchanger overheating,