drawing a steady 0

While you can use a metal tank wall as a ground reference

you would typically look at the 26NM series

Common Questions What is the primary application for the 0453H0077GB01

this unit does not require a pilot pressure

Bard HVAC 8620-238 Board 319852-301 drawing a steady 0The Bard 8620 238 Low Pressure Board (MV4000) is a critical replacement control board designed for precise monitoring of refrigeration circuit protection in Bard HVAC units. This Bard evaporator control board functions by interface with low pressure switches to prevent compressor damage during loss of charge or low ambient operation. Engineered for technical reliability, the 8620 238 control module features lead lag capabilities and terminal