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Honeywell KTTBA002 500kW Long Sensing Tube VMU

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Special Price $80.92 Regular Price $93.06
In stock
SKU
KTTBA002
The Honeywell KTTBA002 500kW Long Sensing Tube VMU is a sensing tube designed to transmit pressure signals within gas burner control assemblies. It is used with VMU 500kW venturi mixing units, where it connects the venturi section to the gas valve regulator for accurate monitoring of pressure differentials. This component plays an vital role in maintaining the correct air-to-gas ratio during combustion, supporting stable burner operation in HVAC systems. It is commonly fitted in commercial boilers and industrial heating equipment where consistent and controlled performance is required.
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Product Questions (2)
Customer Questions
What maintenance is required for the Honeywell KTTBA002 Sensing Tube?

Inspect the sensing tube regularly for damage, blockages, or corrosion that may affect readings. Ensure secure connections and proper alignment within the system. Routine checks help maintain accurate sensing performance. Always shut off system power before handling or adjusting components.

What are common issues with the Honeywell KTTBA002 Sensing Tube?

  • Inaccurate temperature or pressure sensing.
  • Blockages within the sensing tube.
  • Corrosion or physical damage to the tube.
  • Loose or improper installation.
  • Delayed response to system changes.

Installation Steps

Step 1: Turn off all power to the system and ensure it is fully de-energized.

Step 2: Identify the proper mounting location for the sensing tube according to system specifications.

Step 3: Securely install the sensing tube, avoiding kinks or sharp bends.

Step 4: Connect the tube to the VMU and ensure airtight fittings.

Step 5: Verify proper routing to avoid interference with other components.

Step 6: Restore power and test the system to confirm correct sensing operation.