The Efficient Home Forum

That's not it - this one is on the main heating circuit. If I swap the HR92 for the Iflo it comes on.

I've just installed an evohome system, and most of it is working well. Most of the radiators had Drayton TRV4s, and I've swapped them all for HR92s, and they're working fine. However, in the bathroom there's a heated towel rail which had an Iflo TRV. The compatibility page says it should work with ...