It is a legal requirement for all backflow prevention devices (rated for high or medium hazard installations and testable fire service single check valves) to be tested during and after installation by a licensed plumber who is endorsed for backflow prevention testing. This test must also occur in 12 month intervals once installed.
Backflow occurs when water flows backwards from the drainage system into the water supply system. This water has the potential to carry contaminants that can harm the health of your household and community. Backflow is more likely to occur if: there’s a drop in pressure in the main, eg during a main break or water
Blockages are typically caused by a buildup of toilet paper, feminine products, hair, plant, shrub and tree roots. Generally speaking the majority of blockages can be cleared with the electric eel or with the high pressured water jetter. There are times however where some blockages are much harder to be cleared and may require physical
Generally speaking most home owners would be able to purchase a plunger from a hardware store and give it a go at rectifying the issue. This is not a permanent strategy; at some stage the issues will represent themselves, in fact they may even manifest. This being said though as a home owner it’s worth