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Dedicated circuit is recommended

Recommendation: Use a dedicated electrical circuit

Rheem · Tankless Water Heaters

What does Dedicated circuit is recommended mean?

For optimal performance and safety, it is recommended to connect the water heater to its own dedicated electrical circuit. This prevents potential issues caused by other appliances sharing the same circuit.

Common Causes

  • Water heater connected to a shared circuit

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Consult an electrician to assess your current wiring.

  2. 2

    Install a dedicated circuit for the water heater if necessary.

  3. 3

    Ensure the circuit meets the water heater's power requirements (120 VAC/60 Hz, 2 amps).

Browse all codes in this manual (24)
Verified technical data. Last updated: April 2026

Related Faults

88Error 88 — Maintenance required before clearing codeAlarm/Error IndicatorSystem Alert — An issue has been detectedDANGER: Shock HazardDANGER: Shock Hazard — Electrical power is present
Source: Rheem Tankless Water Heaters
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