Manuals

Looking for a Lakewood Instruments product manual? We have you covered.

Click to view the PDF version of your manual with the option to download right to your device. Please get in touch with us if you need help or don’t see what you are looking for; we’re happy to assist! Have a quick question and want to hop on a call? Give us a ring!

Cooling Tower Controllers

• Model 3175
• NexSys Cooling Tower – Legacy Graphics (Pre-2021)
• NexSys Cooling Tower
• Model 1575e
• Model 140
• Model 1520e/30e

Boiler Controllers

• Model 3175
• NexSys Boiler – Legacy Graphics (Pre-2021)
• NexSys Boiler
• Model 1575e
• Model 150
• Model 1520e (condensate)

Boiler Controller Sample Line Plumbing

• Sample Cycle/Sample Hold
• Continuous Sample
• Selectable Sample Cycle or Continuous Sample

Nodes

• NCON Manual
• NpH Manual
• NDIG Manual
• N420I Manual
• NRLY Manual

Old Manuals

Since Lakewood products last a really long time, we often get support calls for models listed below. It’s not uncommon to hear from people with 15, 20, and 25 year old controllers working in the field. If that’s you, great! View our list of historical manuals below.

• OM-2832e
• OM-2830e
• OM-2812e
• OM-2875e
• OM-2450e
• OM-2450
• OM-2412Pe
• OM-2412P
• OM-2430e
• OM-2412e
• OM-2412
• OM-2430e
• OM-2430
• OM-2350Pe
• OM-2350P
• OM-2350e
• OM-2350
• OM-2330Pe
• OM-2330P
• OM-2350e
• OM-2350
• OM-2330Pe
• OM-2330P
• OM-2330e
• OM-2330
• OM-2855e
• OM-2255e
• OM-2255
• OM-2250
• OM-2250e
• OM-222c
• OM-224s
• OM-2175
• OM-2175e
• Model 215
• Model 211
• Model 175
• Model 174
• Model 1743
• Model 1720
• Model 1020
• Model 100
• Model 843
• Model 820
• Model 830
• Model 66
• Model 491-495
• Model 412/420
• Model 398
• Model 353
• Model 352
• Model 350S
• Model 350
• Model 330
• Model 267
• Model 260
• Model 250