improving the efficiency of the furnace electrical system

or localized frosting

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

meeting original ICP 1065750 specifications

providing a direct match for legacy part number 1175521

Cleveland Controls NS2-0221-00 Pressure Switch 320819-301 improving the efficiency of theThe 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