providing a direct match for legacy part number 1175521

or localized frosting

improving the efficiency of the furnace electrical system

Utilizing this OEM Lennox heater ensures the system remains within original manufacturer specifications for airflow resistance and high-limit safety cut-out parameters

ensuring that the metallurgy and dimensions meet the original equipment specifications for reliable performance

Cleveland Controls NS2-0221-00 Pressure Switch 320819-301 providing a direct match forThe Cleveland Controls NS2 0221 00 is a high performance air pressure sensing switch designed for residential and light commercial HVAC furnace applications. This fixed set point pressure switch is factory calibrated to actuate at 1. 35" w. c. on a pressure rise, ensuring precise monitoring of combustion air and flue gas flow. Featuring SPDT (Single Pole Double Throw) switching logic, the unit allows for versatile wiring configurations in both