MIL-HDBK-1165
5.2.1.2
Operation and Maintenance Procedures.
Listed below
are some maintenance procedures that will conserve water in
conventional toilets:
a) Locate and repair leaks. This is an important
procedure! Huge amounts of water are wasted from leaky toilets
and faucets. (See Figure 11.)
b) Replace worn parts if practical (e.g., rubber
stoppers, valves, ballcocks).
c)
Adjust valves to more efficiently control water
flow.
Intensity
Amount of Water Lost
Faucet Drips and Leaks
(gpd)
(lpd)
Slow
36
136
Steady
180
681
One quarter open
664
2513
One-half open
1620
6132
Full open
3600
13626
Toilet Leaks
(gpd)
(lpd)
Seeping
30
114
Constantly Running
6000
22710
Note: gpd = gallons per day, lpd = liters per day
Figure 11
Water Lost Through Leaks
5.2.1.3
Retrofits.
Listed below are some suggestions for toilet
retrofitting:
a) Displacement devices for gravity flow toilets -
bags or bottles of heavy material which displace water in the
tank, resulting in less water entering the bowl during or after
each flush.
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