Lakewood Instruments

Lakewood Instruments Model 150 Boiler Controller (BoilerMatic 3000 Replacement)

No reviews yet Write a Review
SKU: CN-150
Weight: 7.00 LBS
Shipping: Free Shipping
$923.00 - $1,544.00
icon Share icon Share
  • product-security-image-1.jpg
  • product-security-image-2.jpg
  • product-security-image-3.jpg
  • product-security-image-4.jpg

(This is our replacement for the BoilerMatic 3000 Controller)

Prices Shown Are Published List Prices


Call For Best Price


The Model 150 uses the latest in microprocessor capability, giving the user a high level of application flexibility. Multiple inputs and very easy setup characterize this new technology. 

This controller can be used in the Continuous Sample, Sample/Cycle, or Sample/Hold modes to control the boiler water conductivity. 


Lakewood Instruments Boiler Water Treatment Controller 


Package Options:


1: No Sensor (Controller Only)


2: With 2 Electrode Boiler Sensor, Conduit Elbow, and 20ft cable


3: With Sensor and 1/2 inch plumbing kit, 1/2 inch orifice union, and orifice plate 1/16" hole


4: With Sensor and 3/4 inch plumbing kit, 3/4 inch orifice union, and (3) orifice plate 1/16" hole


Note: If you need a larger diameter hole in the orifice plate you can simply drill out the hole to the desired size. 




  • Use this Lakewood Instruments Controller for conductivity control of boilers. It can be used for Continuous Sample, Sample/Cycle, or Sample/Hold control of boiler conductivity. 
  • Removable power cord and receptacles for simple conduit installations. 
  • One (1) water meter input, conductivity input, flow switch input, and 4-20 mA output are all standard features. 
  • Designed with a single circuit board for better reliability and lower cost. 
  • Large open shallow enclosure for easy wiring. 
  • The enclosure is rated NEMA 4X. 
  • Power selector switch for 115 or 230 vac operation. 
  • Heavy-duty stainless steel domed numeric keypad and illuminated graphical display allow for quick and easy programming. Steel domed switches improve the tactile sensing and life expectancy of the keypad.
  • LED indicators for power, alarm and relay status. 
  • The display is lit by two LEDs when any key is pressed. 



  • Easy to program, the Lakewood Instruments Model 150 Controller uses an intuitive menu and a numeric keypad for programming. 
  • No add-on options. Flow switch input, 4-20mA output, and three boiler conductivity control methods; Continuous Sample, Sample/Cycle, and Sample/Hold are standard. 
  • Single circuit board design improves reliability. 
  • Multiple methods of chemical feed for application flexibility.

 Conductivity range  100-10,000 ?S
 Conductivity sensor  2 electrode
 Conductivity Resolution  ± 10 ?S
 Accuracy & repeatability  ± 1.0%
 Deadband/Setpoint  Adjustable
 Auto/Manual outputs  Menu selectable
 Output relays  2 selectable use and 1 for blowdown 
 Keypad  16 tactile push-buttons
 Display  16 X 2 Character
 Water meter input  Contact head, paddle wheel or turbine
 Timer  Max. blowdown time exceeded, relay time exceeded
 Output Signal  One 4 ? 20 mA, non-isolated powered output
 Relay ratings  3A each, 10A total
 Power  120/240 VAC 50/60 Hz
 Ambient  32° - 120°F (0 - 49°C)
 Enclosure  NEMA 4X


Lakewood Instruments Boiler Controller Optional Water Treatment Equipment






P/N 1168374, SR2 Sensor Kit, 2 Electrode Sensor, 3/4" Conduit Elbow, 20' High Temp Cable


P/N 1268608 MBV1 1/2 INCH NPT Motorized ball valve 

P/N 1268614 MBV2 3/4 INCH NPT Motorized ball valve 


1167244 Orifice Union 1/2 INCH NPT

1167245 Orifice Union 3/4 INCH NPT



PART NO. Boiler Conductivity Controller Options (AND/OR REPLACEMENT PARTS) 


Lakewood Instruments 1167295 PL5, sample/cycle plumbing assembly 

Lakewood Instruments 1168601 PL575, sample/cycle plumbing assembly 

Lakewood Instruments 1167297 PL6, continuous plumbing assembly

Lakewood Instruments 1167296 PL675, continuous plumbing assembly 

Customers Also Viewed