Maytag MWF4100AWS Operation And Maintenance Manual page 27

Figure 4 Inlet line components for MWF4300AWS.
Figure 5 Outlet line components for MWF4300AWS.
Before 1. Close the inlet ball valve. If a bypass valve is installed, the bypass valve
Winter
Freeze-up:
2. Completely drain the System and household piping. To drain the System
MAYTAG Whole Home Water Filtration System Owners Manual MA1-5
November 2003
must remain closed.
use the controller and refer to procedure "Internal Prefilter
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