Discuss Difference between ceramic cartridge and check valve taps in the Plumbing Jobs | The Job-board area at PlumbersForums.net
The hot water is fed by a tank, but it's a mega flo tank, which I thought was high pressure? The specs of the tap say the minimum pressure must be 1bar.Ceramic cartridges are generally an alternative to the old-fashioned washers, and work amazingly until they go wrong. It's the way that specific tap shuts off the water. Make sure it's a known brand you will be able to get spares for, unless you don't mind chucking the whole thing in a not too distant future.
A check valve is a backflow device designed to stop mains pressure cold from forcing the hot back into the cylinder when tap is in use, if you have a cylinder and not a combi boiler, that is, or to prevent the dirty water in, say, the sink, from being sucked back down the mains under fault conditions, and similar Bad Things happening.
You aren't comparing two comparable features, so I can't answer the second part to your question, I'm sorry to say.
To give an analogy (because I love analogies), it's a bit like saying 'one car has an automatic choke, and the other has seatbelts - what's the difference and which would be preferable.'
Main thing is to check the specification to make sure the tap is suitable for the pressures your waters have - if you have tank-fed hot water, then you most likely have 0.2bar on the hot side at most.
Ok thanks for your helpNo down to you probably use the same insides
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