Frequently Asked Questions

How to replace?

  • Turn off the power supply to the unit.
  • Remove the access panel to locate the blower relay.
  • Disconnect the old relay and install the new ULTR18A334 relay, ensuring all connections are secure.

Estimate time?

Approximately 15-30 minutes.

What are the signs of a failing relay?

Look for inconsistent blower operation or intermittent airflow issues.

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