4 ms·

> one for both temperature and water volume (up and down is water volume, left and right is the temperature) Sounds inferior to having two controls. IMO the be

> one for both temperature and water volume (up and down is water volume, left and right is the temperature) Sounds inferior to having two controls. IMO the best designs have them separate. If you live alone, you set the temperature once and from then on only use the volume one. The magic that allows that is the thermostatic mixing valve (https://en.wikipedia.org/wiki/Thermostatic_mixing_valve https://en.wikipedia.org/wiki/Thermostatic_mixing_valve)

mrweasel 3y ago
I've replaced so many those thermostatic mixing valve shower controls, they absolutely suck. The build quality, even for the high end, is terrible. They don't deal well with hard water, high levels of lime in the water. Technically you're suppose to let cold water run through them after each shower to avoid it, but that means adjusting the knob every time you use it, and most of them are plastic, gripping a brass valve and that breaks the plastic over time (like 6 months to a year). I've given up and just buy the cheapest single control fitting I can find. The ones I've installed last have lasted 5 years so far without issue. You can't beat simplicity, $500 fixture breaks within a year, a $40 one will last a lifetime.
- kukkeliskuu 3y ago
  My experience is similar, that most of the thermostatic mixing valves suck. But the one thermostatic mixing valve that has been very common in Finland (link below) works really well in my experience. I am just surprised that inferior products are becoming more common. Maybe people think that the good design is too common. https://www.talotarvike.com/media/catalog/product/o/r/oras_1870_product_plain.jpg https://www.talotarvike.com/media/catalog/product/o/r/oras_1...
  - ginko 3y ago
    That's a single lever mixer, not a thermostat.
    - kukkeliskuu 3y ago
      Good that you corrected my vocabulary.
  - mrweasel 3y ago
    Yeah, as pointed out, not a thermostat, but that is one of the models I've used to replace thermostats. They work really well.

mrweasel 3y ago

I've replaced so many those thermostatic mixing valve shower controls, they absolutely suck. The build quality, even for the high end, is terrible. They don't deal well with hard water, high levels of lime in the water. Technically you're suppose to let cold water run through them after each shower to avoid it, but that means adjusting the knob every time you use it, and most of them are plastic, gripping a brass valve and that breaks the plastic over time (like 6 months to a year). I've given up and just buy the cheapest single control fitting I can find. The ones I've installed last have lasted 5 years so far without issue. You can't beat simplicity, $500 fixture breaks within a year, a $40 one will last a lifetime.

kukkeliskuu 3y ago
My experience is similar, that most of the thermostatic mixing valves suck. But the one thermostatic mixing valve that has been very common in Finland (link below) works really well in my experience. I am just surprised that inferior products are becoming more common. Maybe people think that the good design is too common. https://www.talotarvike.com/media/catalog/product/o/r/oras_1870_product_plain.jpg https://www.talotarvike.com/media/catalog/product/o/r/oras_1...
- ginko 3y ago
  That's a single lever mixer, not a thermostat.
  - kukkeliskuu 3y ago
    Good that you corrected my vocabulary.
- mrweasel 3y ago
  Yeah, as pointed out, not a thermostat, but that is one of the models I've used to replace thermostats. They work really well.