Install Instructions
Viega IM-PFMB 1007
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8. SYSTEM DISINFECTION
8.1 General
Local codes may require system disinfection. When no other method is available, follow the time limitations and exposure levels
show below
1. Use a chlorine solution and one of the exposure durations listed below:
2. Mix the disinfection solution thoroughly before adding it to the system.
3. The chlorine solution must reach all parts of the system. Open all fixtures (both sides) and flow water until a
chlorine smell is present. As an alternative, chlorine test tablets can be used to detect chlorine at each fixture.
4. The chlorine source for the solution can be, but is not limited to, the following:
5. After the solution has been in the system for the time required by the Authority Having Jurisdiction or the
exposure durations listed in step 1 above, the system shall be flushed completely with potable water.
6. The system must be purged or drained of all water or protected from freezing.
Concentration Period Authority
200 PPM 3 hours IPC/UPC
®
50 PPM 24 hours IPC/UPC
®
Chlorine Source % Active Chlorine Form
Amount Per 100 Gallon Water
for a 200 PPM solution
Laundry bleach 5.25 Liquid 3 pints (48 oz.)
FAILURE TO FLUSH THE SYSTEM NOTICE!
To prevent reduced service life of system components, disinfection solutions shall not be
allowed to stand in the system longer than 24 hours. Thoroughly flush the system with
potable water after disinfection.