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

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

provided they utilize the standard 3-inch blind flange configuration

the adjustable temperature differential and compressor short cycle protection ensure equipment longevity and prevent nuisance tripping in demanding HVAC applications

this OEM replacement part prevents high-amperage inrush by sequencing resistive loads

Reznor 201204 Nozzle mario Proper installation of this internalThe 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