Recent content by slavetodiy

I've been able to buy and change the actuator only when using the same make, but the valve body had to be changed as well when changing makes. If this one goes again, I will probably look for a Honeywell. The valve itself moves freely (and is pretty new). Thanks to all who replied.

The first two were Horstmann, but the latest one, just replaced, was a Salus (I deliberately picked a different make).

I have a fully-pumped gas CH system with two-port valves serving the hot water and radiators. It is quite elderly yet the original HW valve still works perfectly. The CH valve (controlled by a modern programmer and roomstat) has, in the last four years, been replaced THREE TIMES! Each time...