Southbend 3974-1 Level Controller

Special Price $513.00 Regular Price $600.00
Out of stock
SKU
3974-1
The Southbend 3974-1 Level Controller measures the liquid levels by utilizing internal sensing components to read the changes and signal the control signals as a result. It works by closing or opening connected circuits according to the pre-established level points to control connected equipment. The unit is generally mounted on tanks, boilers or other types of containment systems where the level needs to be checked regularly. It is designed to be used in commercial kitchens and industrial applications, which allows it to be controlled to operate the other related systems electrically. The controller integrates with the existing systems.

Dimensions

  • Length: 5 In
  • Width: 2 In
  • Height: 2 In
  • Weight: 0.5 lbs
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Manufacturer Name: Southbend
Product Number: 3974-1
OEM Part Number: 3974-1
Product Description: Level Controller
Similar Models:AC-3974-1 - Accutemp, N3974-1 - Crown-Verity, CROWN-3974-1 - Groen, 97-5565 - Market-Forge
Dimensions:
Length:5in/12.7cm
Width:3in/7.62cm
Height:1in/2.54cm
Weight:0.75lbs/340.19g

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Customer Questions
What maintenance is required for the Southbend 3974-1 Level Controller?

Inspect level controller connections and clean sensing components regularly to prevent scale buildup. Ensure wiring is tight and dry to avoid signal loss. Check calibration periodically to maintain accurate level control and system operation.

What are common issues with the Southbend 3974-1 Level Controller?

  • Inaccurate water level detection due to sensor drift.
  • Float or probe sticking from scale buildup.
  • Electrical connection or wiring intermittency faults.
  • Control relay failure causing improper switching.
  • Corrosion on terminals leading to erratic operation.

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Installation Steps

Step1: Turn off power and isolate water/steam supply for safety.

Step2: Mount controller on designated panel or system fitting securely.

Step3: Connect wiring terminals according to diagram.

Step4: Attach level sensing probe and ensure tight sealing.

Step5: Restore power and test calibration.

Step6: Check for leaks and verify correct level response.

Step7: Verify alarm functions and controller indicators.