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Dometic MasterFlush 7640 User Manual

Dometic MasterFlush 7640
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Maintenance and winterizing MasterFlush7640
14
7.2 Routine maintenance
Monthly
1. Inspect toilet, plumbing, and plumbing connections, wires, and wire
connections.
2. Open and close all plumbing valves.
3. Check in-line water filters, if any, for blockage.
Yearly
1. Check water valve filter. Also check water valve filter if water flow into
toilet becomes insufficient.
7.3 During extended periods of non-use
The macerator toilet and sanitation system should be protected if toilet will
not be needed for an extended period of time (more than two weeks,
especially in hot weather).
1. Flush toilet in “Normal” mode and add 4 oz. (120 ml) of liquid bio-
degradable laundry detergent (should NOT contain bleach or environ-
mentally harmful substances).
2. Flush toilet at least five times.
3. Turn off water supply to toilet.
4. Flush the toilet without water. Repeat three times. (This procedure will
minimize any remaining water in the macerator pump.)
5. Turn off power to the toilet.
If system will be subjected to freezing temperatures, please follow above
procedure, and then winterize system as described below.

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Dometic MasterFlush 7640 Specifications

General IconGeneral
BrandDometic
ModelMasterFlush 7640
CategoryPlumbing Product
LanguageEnglish

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