My original Concerto 28mm TRV head broke off and I was finding it impossible to get a 28mm replacement. It looked like I would have to buy and fit an expensive 28 / 30 adaptor and then a new 30mm TRV head. By chance, I found your 28mm Orkli Replacement TRV Head which fitted directly and perfectly and my TRV is now working again.
There are a lot of people (on Amazon) searching for replacement 28mm TRV heads who don't know this type of unit exists.
3 years ago
Heating Controls Online has a
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