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Outdoor models: Hard-wire to appropriate outlet

Outdoor Models: Hard-wire the electrical connection

Rheem · Tankless Water Heaters

What does Outdoor models: Hard-wire to appropriate outlet mean?

Outdoor Rheem tankless water heaters do not come with a power cord. They must be hard-wired directly to an appropriate power outlet that includes a ground terminal. This ensures a secure and safe electrical connection.

Common Causes

  • Outdoor model not hard-wired
  • Improper electrical connection for outdoor units

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the outdoor unit is connected via hard-wiring.

  2. 2

    Verify the connection is made to an appropriate outlet with a ground terminal.

  3. 3

    This work should be performed by a qualified electrician.

  4. 4

    Confirm the wiring complies with all local codes.

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
Open Manual (Page 47)Search more codes in this manual