The Node Relay (NRLY) is four relay outputs in a NEMA 4X enclosure with a power cord and receptacles. The relays are pre-wired for 120 vac output. The NRLY power cord and receptacles can be removed...
Model 3175 Boiler and Cooling Tower Water Treatment Controller
Accurately controls boiler and cooling tower conductivity. A standard secondary input may be used to control ORP or pH.
Easy to...
The Power Supply (PS) is used to provide the +24 vdc to the 2000 series add-on nodes such as the NCON, NRLY, NpH, or NDIG. A PS is required if more than two nodes are attached to a 2000e series...
The Digital Input Node, (NDIG) is four channels of digital input to a NexSys® controller. The first two channels can be used as additional water meter inputs. This node can be used for drum switch...