It is designed to close the circuit automatically once the sensed temperature falls below the reset differential

Common Questions & Technical Insights When should this 100208654 rod be replaced during maintenance

Can I adjust the blower shut-off delay on this model

The Reznor 99252 is engineered for specific series

High Load Capacity: Designed for direct switching of motors and fans without the immediate need for external contactors in many configurations

Reznor 197118 Kit 320074-702 It is designed to closeThe Reznor 197118 DJ20 High Altitude Kit is a critical field adjustment component for technicians servicing Reznor UDAP gas fired unit heaters installed at elevations between 2,001 and 6,000 feet. At higher altitudes, thinner air reduces the pressure differential required to safely prove the inducer motor's draft. This OEM Reznor kit replaces the standard factory settings with a specific DJ20 pressure switch calibrated to maintain the proper sequence