Discuss Recognise this TRV brand logo? - see picture please in the Central Heating Forum area at PlumbersForums.net
@Last Plumber @ShaunCorbsDanfoss
Allen key or a twist lock where it joins the brass body?
The old style heads are available but quite pricey!
Unless you're fairly competent with pipework the old Danfoss valves are not easy to swap due to having a female threaded connection.
You're not wrong. There is that!Plus draining down so not bad price when you could have a bill upto a few hundred quid
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