Installation Guidelines for AAVs
	General Installation Guidelines
	Installation of the Mini-Vent™
	Installation of the Maxi-Vent™
	Installation of the Combi-Siphon™
	General Installation Guidelines
	·	Ensure that you follow your Local Building / Plumbing Regulations;
	·	Suggested installation locations are: under a sink or basin; on the vent horn of a WC pan; in attic paces; in a plumbing duct; in a suspended ceiling; in a vented recess box within a wall; externally 150mm above ground level;
	·	In buildings with multiple stacks where an open vent is required, it is recommended that this be located on the stack nearest the building’s sewer connection;
	·	Septic tank systems require at least one main vent to extend to the open air;
	Installation of the Mini-Vent
	the Mini-Vent must be:
	·	Accessible and fitted vertically;
	·	protected from extreme temperatures (-20ºC to +60ºC) using the upper half of the packaging;
	·	fitted in a position which permits free  movement of air to the valve;
	·	installed 100mm above the horizontal waste;
	·	installed 150mm above the insulation in attic installations;
	·	installed after the drainage system has been tested.
	Installation of the Maxi-Vent
	the Maxi-Vent must be:
	·	accessible and fitted vertically;
	·	protected from extreme temperatures (-20ºC to +60ºC) using the upper half of the packaging;
	·	fitted in a position which permits free movement of air to the valve;
	·	installed 150mm above the insulation in attic installations;
	·	installed after the drainage system has been tested.
	Installation of the Combi-Siphon™
	the Combi-Siphon Plus must be:
	·	accessible and fitted vertically;
	·	fitted in a position which permits free movement of air to the valve;
	·	installed 100mm above the horizontal waste;
	·	not installed where extreme temperatures prevail;
	·	installed after the drainage system has been tested;