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Estimated dispatch: Wed 23 Sep
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Replacement upper automatic vent assembly for compatible Thetford waste-holding tanks using the standard tank vent rather than the separate outside-vent version. This Moon Grey assembly suits C2, C3 and C4 toilets produced after June 1993, plus C200 and C220 models, and includes the automatic vent seal and foam.
To replace it, turn the old vent anticlockwise to remove it, then insert the new vent and turn it clockwise to lock it into the tank. No tools are required.