Rinnai i060C Installation And Operation Manual page 111

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Below is a list of approved system cleaners, inhibitors, and antifreezes for use in hydronic plumbing
systems utilizing Rinnai boilers.
Approved System Cleaners:

Fernox F3 Cleaner

Noble Noburst Hydronic System Cleaner

Rhomar Hydro-Solv 9100

Sentinel X400
Approved System Inhibitors:

Noble Noburst AL Inhibitor

Rhomar Pro-tek 922

Sentinel X100
IMPORTANT

If replacing a boiler, add system cleaners while the old boiler is installed and operate the old
boiler for heating for several days to most effectively clean the system.

The Rinnai boiler must be closed off (valved off) from the rest of the system, or not
connected, while cleaners are in the system.

When cleaning is complete, drain the system and then flush with clean water to remove any
sediment.
Rinnai I-Series Condensing Boiler Combi Manual
Approved System Antifreezes:

Chem Frost 100%

Fernox Alphi 11

Hall-Chem Solar II

Noble Noburst AL

Rechochem Recofreeze AL

Rhomar RhoGard Mutli-Metal (AL safe)

Sentinel X500
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