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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