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Vent Cowls
 
Venting the tank and keeping insects out

Vent cowls include an insect proof stainless steel screen of 0.955mm aperture and can be fitted to the top of rainwater tanks to help vent them properly . They are an ideal method for providing air circulation through tanks where rainwater is piped directly into the top or side of the tank, rather than passing through a tank screen.
 
50mm Vent Cowl (pictured on the right) fitted on top of a concrete tank to ensure air can enter the tank and allow the water to breathe
 
Vent cowls can be fitted to the top of rainwater tanks to help vent them properly
 
The vent cowls from Rain Harvesting are also designed to fit to the top of toilet vent pipes and REDUCE THE POSSIBILITY OF PAN SYPHONING where two toilets are connected to the one line. They feature an open space area of the screen is at least 1.5 times larger than the open area of the pipe which guarantees a full flow of air when the down stream toilet is flushed eliminating vacuum within the line. They fit 50 & 100mm PVC & Copper (with the use of a standard 3mm nitrile “O” ring).
50mm and 100mm Vent cowls
 
Blue Mountain Mesh™
Leaf Eater® Downpipe Rain Heads
First Flush Water Diverters
Rain Filters
Rain Alert
Rainwater Tank Accessories
Tank Level Gauges
Tank Overflow Outlets
Insect Proofing Your System
Rain Heads
Mozzie Stoppa Screens
Hi-Flow Mozzie Stoppa Flap Valves
Tank Screens
Vent Cowls
Tank Top Up System
Auto Tank Vacuum System
Gutter Downpipe Diverters
Safety Hatches
Tank Accessory Downloads
Rain Harvesting Handbook
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