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Navien Tankless Water Heaters 30028157A 3-Way Control Valve

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Special Price $40.80 Regular Price $53.03
In stock
SKU
30028157A
The NAVIEN TANKLESS WATER HEATERS 30028157A 3-Way Control Valve is a flow control component installed within the internal water circuit of proper tankless water heating equipment. It is positioned between designated water passages to direct water flow for HVAC systems. It changes flow direction according to control signals, allowing water to move through the selected circuit during different operating modes. It supports controlled water distribution, proper flow switching, and coordinated movement between internal heating pathways and connected components during system operations.
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HVAC Controls & Electrical, Valves
Manufacturer:
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Product Questions (2)
Customer Questions
What maintenance is required for the Navien Tankless Water Heaters 30028157A Control Valve?

Periodically check the valve for mineral buildup, corrosion, or leaks. Clean ports and moving parts gently to maintain proper flow. Verify all connections are secure, and always shut off water and power before servicing.

What are common issues with the Navien Tankless Water Heaters 30028157A Control Valve?

  • Valve sticking or failing to switch flow paths.
  • Leaks at seals or fittings.
  • Reduced water pressure or inconsistent flow.
  • Erratic operation due to debris buildup.

Installation Steps

Step 1: Turn off the water supply and power to the HVAC system.

Step 2: Remove the access panel to locate the existing valve.

Step 3: Disconnect inlet/outlet pipes and wiring carefully.

Step 4: Remove the old valve and position the new control valve.

Step 5: Reconnect piping and wiring, ensuring all connections are tight.

Step 6: Replace the access panel, restore water and power, and test for leaks and proper operation.