Installation Guide

Rinnai I-Series Condensing Boiler Combi Manual 111
Approved System Cleaners:
Fernox F3 Cleaner
Noble Noburst Hydronic System Cleaner
Rhomar Hydro-Solv 9100
Sennel X400
Approved System Inhibitors:
Noble Noburst AL Inhibitor
Rhomar Pro-tek 922
Sennel X100
Approved System Anfreezes:
Chem Frost 100%
Fernox Alphi 11
Hall-Chem Solar II
Noble Noburst AL
Rechochem Recofreeze AL
Rhomar RhoGard Mutli-Metal (AL safe)
Sennel X500
Below is a list of approved system cleaners, inhibitors, and anfreezes for use in hydronic plumbing
systems ulizing Rinnai boilers.
IMPORTANT
If replacing a boiler, add system cleaners while the old boiler is installed and operate the old
boiler for heang for several days to most eecvely clean the system.
The Rinnai boiler must be closed o (valved o) from the rest of the system, or not
connected, while cleaners are in the system.
When cleaning is complete, drain the system and thenush with clean water to remove any
sediment.
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