
3
2 General safety instructions
The manufacturer will not be held liable for claims for damage resulting from the following:
• Faulty assembly or connection
• Damage to the unit from mechanical inuences
• Alterations to the unit without express written permission from the manufacturer
• Use for purposes other than those described in the operating manual
3 Intended use
When a toilet is ushed on a boat with a holding tank, air is pushed out of the holding tank, through
a vent hose, and out of the boat through a vent tting. To stop foul-smelling air from coming out of
the vent tting, install an ECO Vent Filter.
4 Installation
Remove old filter (if replacing existing vent lter)
1. Remove vent hose from both ends of old vent lter. If old vent lter was connected to threaded
ttings for 5/8-in./16 mm or 3/4-in./19 mm ID hose, those ttings should remain attached to vent
hose.
2. Remove old lter from bracket and seal ends with adhesive tape.
3. Discard old lter in appropriate container.
Install filter
NEW INSTALLATION
1. Select location for vent lter. Avoid areas near excessive heat sources (engine manifolds,
lights, etc.). Do not install lter below top of holding tank (g.
1
p. 2).
2. Vent lter can be mounted at any angle. Installations near thru-hull vent reduce chance of lter
damage from potential overlling of tank.
3. Install mounting bracket (g.
2
1, p. 2) with screws (g.
2
2, p. 2).
4. Lightly lubricate O-rings on each end of lter cartridge with Dometic Hose Lubricant or silicone
grease.
5. Remove red plugs from each end.
6. After vent hose ID is chosen, attach correct size hose adapters (g.
3
5b or 5c, p. 2) to lter
cartridge with retaining fasteners (g.
3
4, p. 2). Refer to Adapter Size Chart below to identify
correct size hose adapter.
7. Press ECO vent lter (g.
3
6, p. 2) into mounting bracket so that it clicks into bracket arms.
8. Route vent hose from waste holding tank and thru-hull tting to ECO vent lter. Using hose
clamps (not included), attach vent hoses to adapters that are connected to vent lter.
Ref. Description
4 Retaining fasteners
5a threaded adapters for 5/8-in. or
3/4-in. ID hose threaded ttings
5b 5/8-in.+3/4-in. ID hose adapters
5c 1-in.+1.5-in. ID hose adapters
Adapter Size Chart (g.
3
, p. 2)
ECO Vent Filter General safety instructions
Hose adapter
connection zones for:
5/8 in./16 mm ID hose
3/4 in./19 mm ID hose
1 in./25 mm ID hose
1.5 in./38 mm ID hose
5b
5c
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