verify Section IV thermal relief requirements

Always verify your incoming line voltage with a multimeter before installation to ensure it matches the 480V requirement

Proper installation of this internal high limit switch is essential for maintaining the safety sequence of operation and protecting the primary heat exchanger from excessive thermal stress

provided they utilize the standard 3-inch blind flange configuration

ensuring efficient startup and consistent performance under load

Reznor 201204 Nozzle mario verify Section IV thermal reliefThe Reznor 201204 Nozzle is a 30 degree downturn nozzle engineered specifically for high capacity heating applications. This OEM Reznor replacement part is field installed to primary heater outlets, allowing for a 25 65 degree discharge air deflection range. Designed for compatibility with Reznor UDAP, UDAS, UDBP, and UDBS unit heater models in the 300 to 400 MBH size range, this nozzle ensures high velocity air distribution is directed toward the