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this Robertshaw control features a temperature range of 175°F to 550°F
streamlining the swap-out process for service contractors
Precision Defrost Timing: Optimizes the initiation and termination of defrost cycles to eliminate ice accumulation while maximizing energy efficiency
it features an Open Air Over (OAO) enclosure to maximize heat dissipation during continuous operation
Lennox 73W35 Pressure Switch 318973-401 this Robertshaw control features aThe Lennox 73W35 Pressure Switch is a critical safety and operational component designed for 2 stage gas furnaces. This OEM Lennox replacement part, also identified by part number 102737 09, monitors the pressure differential created by the combustion air inducer to ensure the system is venting correctly before ignition. For multi stage heating, this dual stage pressure switch features precise set points: a high stage set point of 0. 55" W. C. and a