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If the furnace is not igniting
this switch is factory-sealed and non-adjustable
Always verify the voltage at the cooler's junction box before installation
the Warrick sequence controller handles inductive loads with a high-capacity DPDT (Double Pole Double Throw) contact configuration
Lennox 51M69 Thermostat 323613-751 If the furnace is notThe Lennox 51M69 L94 20F thermostat is a specialized limit control switch designed for precision temperature management within Lennox HVAC systems. As a critical safety component, this bimetal disc thermostat monitors supply air temperatures, specifically engineered to open at 200F and close at 160F. This SPST (Single Pole Single Throw) normally closed switch ensures system integrity by interrupting the heating circuit if internal temperatures exceed
