Need a controller for a new boiler installation? Time for a refresh or upgrade? Here is an easy comparison to help you through Lakewood’s choices for Boiler applications. For boilers, we have four choices: Model 150, Model 1575e, Model 3175, and Nexys controllers. Of course, each controller can monitor conductivity and open blowdown per your setpoints. Here are other considerations:
- Output Relays – the number of valves, pumps, or other actions the controller can manage.
- Model 150 – 3 relays.
- Model 1575e – 4 relays.
- Model 3175 – 4 relays
- NexSys – 6 relays upgradeable to 10 relays.
- pH – can the controller also monitor condensate pH?
- Model 150 – no.
- Model 1575e – yes.
- Model 3175 – yes.
- NexSys – yes.
- Water Meters – how many water meters can the controller deal with?
- Model 150 – one.
- Model 1575e – two.
- Model 3175 – two.
- NexSys – four.
- Display size – what does it show you on its display?
- Model 150 – two-line LCD.
- Model 1575e – four-line LCD.
- Model 3175 – awesome color touch screen.
- NexSys – color touch screen.
- Sample Hold capability – if your plumbing is prone to steam flash, you can minimize those effects with this sample hold operation.
- Connectivity – what info can the controller share with others?
- Model 150 – conductivity via 4-20 mA analog output
- Model 1575e – conductivity via 4-20 mA analog output
- Model 3175 – conductivity via 4-20 mA analog output, CSV file datalog, email/text alarm notifications
- NexSys – all system parameters including graphs, via EZWeb Wireless or BMS integration.
Click here for our convenient PDF Selector chart summary for Boiler Controllers!
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