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NAVIEN 30000181A Water Heater Circuit Board (PCB) - CH181

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Special Price $244.98 Regular Price $271.93
In stock
SKU
30000181A
The Navien Tankless Water Heaters 30000181A Water Heater Circuit Board is an essential part designed to be used in Navien CH-181 water heaters. This circuit board manages and directs different portions of the water heater system as the master electronic control unit. This helps to ensure proper working efficiency in conjunction with the heater to maintain such factors as pressure and temperature promoting performance as well as safety. Some of its main functions are controlling of heating cycles, monitoring of inputs from the various sensors, and control of ignition sequences in order to obtain enhanced efficiency in heating ensure that clients receive hot water reliably.
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HVAC Controls & Electrical, Control Boards & Modules
Manufacturer:
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Specifications

  • Application: Navien CH-181 series water heaters
  • Weight: 2.52lbs
  • Type: Water Heater Circuit Board
Manufacturer Name: NAVIEN TANKLESS WATER HEATERS
Product Number: 30000181A
OEM Part Number: 30000181A
Product Description: Pcb Board For Ch180
Weight:2.52lbs/1143.05g

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Product Questions (2)
Customer Questions
What maintenance is required for the NAVIEN 30000181A Water Heater Circuit Board?

Regularly inspect the circuit board for dust, moisture, and loose connections to ensure stable operation. Proper maintenance prevents electrical faults and improves system accuracy. Always switch off power before servicing and handle components carefully to avoid static damage.

What are common issues with the NAVIEN 30000181A Water Heater Circuit Board?

  • Failure to power on or intermittent shutdowns.
  • Error codes related to ignition or sensor communication.
  • Burnt or overheated components on the board.
  • Loss of display or unresponsive control panel.
  • Incorrect temperature or heating cycle regulation.

Installation Steps

Step 1: Turn off power and gas supply, then confirm unit is fully de-energized for safety.

Step 2: Remove front panel and access the control compartment carefully.

Step 3: Disconnect all wiring harnesses from the old board, labeling each connector.

Step 4: Remove mounting screws and lift out the faulty circuit board.

Step 5: Install the new board, securing it in the same position and reconnect wiring firmly.

Step 6: Restore power, then run system diagnostics and verify ignition and heating functions.