6 720 644 063
26
Installation instructions
Comercial Use Treatment Guidelines
Type of
Water
Hardness
Level
Treatment
Device
Flush
Frequency
1)
1)
Install Bosch Isolation Valves to allow for flushing.
Soft
0-1 gpg
(0-17 mg/L)
None
None
Slightly Hard
1-3 gpg
(17-51 mg/L)
None
None
Moderately
Hard
3-6 gpg
(51-100 mg/L)
Water Softener
Suggested
Once a Year
2)
2)
Flushing is required if a water softener is not installed.
Hard
6-10 gpg
(100-171 mg/L)
Water Softener
Suggested
Twice a
Year
3)
3)
Flushing is required if a water softener is not installed.
Very hard
10-14 gpg
(171-239 mg/L)
Water Softener
Softener
Required
Extremely Hard
> 14 gpg
(> 239 mg/L)
Water Softener
Softener
Required
Table 6
Содержание 660 EF
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