Carrier 33ZCT56C02 Space Sensor (T-56 With CO2) 30067439-890 the Reznor 263999 is strictly

the Reznor 263999 is strictly for LP (Propane) applications

The R8222B1067 is rated for 20

ensuring stable operation under continuous duty cycles and high ambient temperatures

System Reliability: Facilitates consistent gas burner ignition

or water in the collection chamber

Carrier 33ZCT56C02 Space Sensor (T-56 With CO2) 30067439-890 the Reznor 263999 is strictlyThe Carrier 33ZCT56C02 Space Sensor comes as a space temperature and room sensor with override and setpoint adjustment. It ships out directly from the factory and comes well tested before final shipping. This space sensor is specifically designed to monitor carbon dioxide levels in the air and measure the interior building temperature. It consists of two sensors embedded in one unit.