No- it is definitely not expensive. Jack & Jill costs barely 1500 bucks if I calculate correctly on the pound. The only thing I notice is that their module controlling the transformer and the fail-safe button from the outside is quite large, like a shoebox—but it's definitely not a dealbreaker at this point. The only reason I'm still asking for further tips is just to make sure there's not an even smoother solution at the locksmith's nearby that I've missed along the way.

I appreciate the response in the thread, no doubt about it! Even though I note that we have slightly different views of needs and fulfilling needs here on the forum :D

The bathroom, by the way, is finished in its basic structure, so rebuilding is not on the cards.
 
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Jonatan79
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I myself would have solved it with two electric lock knobs with Zwave. But that depends on already having a controller beforehand... (and they are in shoebox format)
 
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Myckling and 1 other
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I would have opted for a mechanical solution that allows both doors to only lock and unlock simultaneously from the inside, like a double latch or espagnolette. This is because I don't trust electronic solutions very much, and it would be foolish to get locked in due to a power outage or other failure. I would think there are requirements for mechanical emergency opening as well.
 
tommib
The page states that the locks are NO, meaning they only lock if there is electricity. During a power outage, they unlock.

Given that the doors are not immediately next to each other, I find it difficult to see that a mechanical solution would work. It would, if possible at all, become very complex.
 
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kinshasa
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Haha, this sounds like a perfect example of a problem where an electronic solution works excellently! As long as it is NO and reasonably small, there is no advantage to a mechanical solution. It's not a bank vault we're talking about. Even if it only works 99 times out of 100, the worst that can happen is that you accidentally walk in on someone who is in the bathroom or showering.

Of course, you should buy such a system. It sounds really smart. Perfect also in, for example, rental apartments or similar situations where you might want to share a bathroom/shower and don't want an "unknown" person to walk in. It doesn't have to be a family living this way.
 
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Dan_Johansson and 2 others
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T tobbbias said:
Haha, this sounds like a perfect example of a problem where an electronic solution works excellently! As long as it is NO and reasonably small, there is no advantage to a mechanical solution. It's not a bank vault we're talking about. Even if it only works 99 times out of 100, the worst that can happen is accidentally walking in on someone who is on the toilet or showering.
And that hundredth time, the power is out so it's completely dark anyway if the bathroom doesn't have a window ;-)
 
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tobbbias
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tommib tommib said:
The page states that the locks are NO, meaning they only lock if there is power. In the event of a power outage, they open.

Given that the doors are not immediately next to each other, I find it hard to see that a mechanical solution would work. It would, if at all possible, be very complex.
If the doors are opposite each other, the simplest solution is a taut rope between the handles. It is very complex..
 
harry73
T Thomas_Blekinge said:
If the doors are opposite each other, the simplest solution is a taut rope between the handles. It's very complex..
If you want synchronized locks, 1500 kr for the Jack and Jill system is a cheap way to avoid ugly or complex homemade solutions.
 
P
I solved the problem in our bathroom by installing a micro switch in the frame of the "public door." When you lock that door normally with a knob, it activates a lock bolt that locks the glass sliding door into our master bedroom. The whole thing is powered by a small power supply that I hid in a big-box socket inside the bedroom, in which there is also a switch that ensures the glass door to our bedroom is always locked. This is so that curious visitors cannot enter when they are in the bathroom.

TS might be able to do something similar with a regular electric strike plate on one door and a knob on the other.
 
tommib
T Thomas_Blekinge said:
If the doors are opposite each other, a rope stretched between the handles is the simplest solution. It's very complex..
Unfortunately, it's also horribly ugly. I would never want to have such a solution in my home.

On the other hand, I've never understood the appeal of a bathroom/toilet directly connected to a bedroom.
 
tommib tommib said:
Unfortunately, it is also horribly ugly. I would never want such a solution in my home.

On the other hand, I've never got the thing with a bathroom/toilet directly connected to a bedroom.
IT WAS JUST A JOKE!

I also don't want the bathroom directly against the bedroom (or the kitchen). But apparently, it is modern or American or both.
 
tommib
Sarcasm/irony unfortunately doesn't translate well in text.... :)

No, a bathroom facing the kitchen is also strange. Directly facing the living room, which we would have gotten if my wife had her way, is also very strange. It's actually funny how many subconscious thoughts one has when it comes to floor plans and interior design.
 
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Nyfniken
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Two danalocks with HomeKit and a HomeKit button, and you're home.
 
Either two elbleck and a hållkrets, and you're probably all set.
 
Wonder if you can get danalocks to mirror each other via a HomeKit rule
 
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