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It maintains the 3/4" NPT male inlet and female outlet connections for easy retrofitting
maintaining the original safety listing of the appliance
Key Benefits Dual-Function Control: Combines adjustable temperature sensing and high-limit safety protection in one unit
It is not recommended for high-pressure R-744 (CO2) applications exceeding this limit
Lennox 88W59 Pressure Switch It maintains the 3/4" NPTThe Lennox 88W59 Pressure Switch is a critical safety component designed for precise combustion air monitoring in high efficiency furnaces and air handlers. As a Single Pole Single Throw (SPST) switch, it is engineered to actuate at 0. 15" W. C. and reset at 0. 34" W. C., effectively preventing operation during unsafe draft conditions or venting obstructions. This genuine HVAC OEM part is the direct performance 103094 01 cross reference for the legacy