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every trv is a different design cant see an arrow as such on a couple there is a triangle round where the numbers are...along with a couple of other symbols...is that the arrow I am looking for ?

appreciate the replies.....the alaram is for a house we are looking to buy it already has an ADT system so may look to keep or upgrade that just saw the alert me on tv and thought it looked simple to install and liked the idea of getting a text/call when the alarm was activated but...

can anyone help with this we are renting a house which is constantly cold ! need to balance the system but some rads have the trv on the flow and others on the return - we have been told the trv are dual flow some rads are boiling and others luke warm

youre not a fan then !!!! :roll: Just been reading some reviews online....not good thought they looked quite nifty but a lot of money for what they are so what alarm would you recommend ?

anyone have one ? thinking this could be a good option for our new house.......