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Water leakage

Water leakage — Loose or overtightened water pipe connections

Panasonic · Aquarea Heat Pumps

What does Water leakage mean?

Water leakage can occur from connection areas if the nuts are not tightened correctly. Overtightening can also cause damage leading to leaks.

Common Causes

  • Loose water pipe connections.
  • Overtightening the water connection nuts, which can cause damage.
  • Improper sealing or damaged gaskets.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    During a test run after installation, carefully inspect all water connection areas for any signs of leakage.

  2. 2

    If a leak is found, first check if the connection nuts are tightened to the specified torque using a torque wrench (e.g., Rp 1¼” [117.6 N•m]).

  3. 3

    Avoid overtightening, as this can damage the connection. Use two spanners for tightening.

  4. 4

    If leakage persists, contact an installer for professional assistance.

Browse all codes in this manual (77)
Verified technical data. Last updated: April 2026

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Source: Panasonic Aquarea Heat Pumps
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