Industrial Build Quality: High-density plastic housing and a responsive silicone keypad prevent button sticking and signal degradation over time

If the reading drops significantly under load when the valve is energized

which is standard for many residential condensing units

it is a standard compressor electrical block for many industrial models

ensuring stable temperature regulation in chilled water

Hartland Controls CON-1/240/40 Contactor 320074-702 Industrial Build Quality: High-density plasticWhen you're out in the field and need a reliable 40 amp 1 pole contactor, the Hartland Controls CON 1 240 40 is a standard issue definite purpose contactor designed for high demand HVACR applications. This unit features a 240VAC coil (50 60Hz) and includes a shunt, allowing for continuous power to the heater circuit or other auxiliary components even when the main contacts are open. As a veteran grade 1 pole contactor, it utilizes silver cadmium oxide