Terminals 1 and 2 are typically dedicated to the burner circuit (low water cut-off)

Heavy-Duty Construction: Manufactured to handle the torque loads of high-efficiency ECM and PSC motors

When the surrounding environment or equipment surface exceeds this threshold

this is a mechanical rebuild kit for the internal wetted parts only

The 72-inch capillary with a remote bulb provides ample reach for precise sensing across diverse evaporator and cabinet configurations

Vulcain 90DM4DTNETCRD50000 Monitor Freon Terminals 1 and 2 areThe Vulcain 90DM4DTNETCRD50000 is an industrial grade infrared CO2 gas monitor engineered for high precision duct mount CO2 detection in complex commercial HVAC systems and building automation environments. Utilizing professional dual wavelength NDIR sensor technology, this unit effectively mitigates drift and compensates for temperature fluctuations to maintain baseline stability over time. Specifically designed for air handling units, the 90DM4DT