6-2
MAYTAG Whole Home Water Filtration System Maintenance Schedule (cont.)
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
battery: 1 AA
--
Check timer and
program settings
Check
*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 of Owner’s Manual
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