3 ms·
I've owned several houses in California and not one has had an anti siphon valve on it. A quick check around my neighborhood shows that non of my neighbors do
by mmmBacon 9y ago
I've owned several houses in California and not one has had an anti siphon valve on it. A quick check around my neighborhood shows that non of my neighbors do either (at least on their front yard spigots).
- lostlogin 9y agoI wanted to run a tap with flow backwards and found that all outside taps in both big box hardware stores near me had a valve in them. There was no way to tell this externally.
- mmmBacon 9y agoSorry but this is not correct. The anti-siphon valve is almost always apparent. These spigot valves are not very good and fail pretty regularly so I would not trust my drinking water to them. Also an anti-siphon valve only works if it's above the water lines. If you store a hose above the spigot like many people do, you've just defeated the valve.
- lostlogin 9y agoEvery outside tap here in New Zealand is required to have a back flow preventer (is this a different thing?). They all passed the recent test they had which was required by the local council and they are all pretty old. The 'check valve' is required to be replaced every two years as it can't be tested according to the documentation here. I don't known what this is and don't have one.