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

verify Section IV thermal relief requirements

Full Internal Restoration: Contains plunger assembly

the solid-state output integrates seamlessly with most DDC controllers

for corrosive applications

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