MAYTAG Whole Home Water Filtration System Owners Manual MA1-5
November 2003
14
Table 2 – MAYTAG Whole Home Water Filtration System Maintenance Schedule(cont.)
*MAYTAG Services Qualified Service Technician must conduct an Integrity Test annually in order
to validate the limited warranty.
**BP tank pressure setpoint is recorded on page 2.
Required service Part No.
Comments
Every 6 mo.
Every 12 Mo.
Stainless Steel
Prefilter
67500002
Water sources with high levels of
particulate will require more frequent
cleaning.
Clean
System cleaning
--
Clean
Integrity testing*
--
Test
System 67500007
Backpulse Tank
air pressure
67500013 Adjust air pressure as required**
Test
External Pre-filter
cartridge
67500004
Highly variable service rate, due to
variability in raw water quality.
Clean or
replace
Model
MWF 4300 AWS
Advanced
Controller
batteries: 2AA
--
Check timer and program settings
Check
Replace