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- REZNOR® Combustion Air Pressure Switch, High Altitude High Speed, 0.5 in WC
 
- Monitors flow of combustion air
 - If it is determined that the pressure switch needs replacing, use only the factory-authorized replacement part that is designed for the model and size of heater being serviced
 - Use with Model UDAS combustion fan type unit heater
 
- Pressure Rating0.5 in WCManufacturerNORTEK GLOBAL HVACManufacturer #196388TypeHigh Altitude High Speed