Rinnai INFINITY A-Series Installation Manual

Rinnai INFINITY A-Series Installation Manual

Continuous flow water heaters

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Suitable for the following Rinnai INFINITY models:
• A16
(REU-A1620WG-ZK)
• A20
(REU-A2024WG-ZK)
• A24
(REU-A2426WG-ZK)
• A26
(REU-A2626WG-ZK)
• EF26
(REU-E2626W-ZK)
INFINITY EF26 and A-Series continuous flow water heaters
Installation guide

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Questions and answers

wayne LeBrun
March 31, 2025

Hi Have an A16 about 6 months old. It is only producing luke warm water, There are no controllers on it. When a tap is opened it stars with a good flow then cuts back to half. The filter is not blocked and i have tried a new regulator.

1 comments:
Mr. Anderson
March 31, 2025

The Rinnai INFINITY A-Series A16 may be only producing lukewarm water and experiencing reduced flow when a tap is opened due to the controller safe program being active. If a controller was connected for more than six hours and then disconnected, the unit defaults to controller-only mode. In this mode, the built-in safe program limits the water temperature to a maximum of 42 °C. This could result in lukewarm water. To resolve this, the safe program (Menu 6) needs to be turned off by changing the setting from A (ON) to b (OFF).

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This manual is also suitable for:

Infinity a16Infinity a20Infinity a24Infinity a26Infinity ef26

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