I thought that but the space is a bit tight. I would need to remove the isolation valve to make that work, right now the isolation valve has no purpose as you still need to drain down the whole system down to change the motorised valves.
Thanks but that’s 1” bsp and 22mm, I’ve managed to find the correct part number for the 3/4” threaded female Honeywell V4043H 1007, just need to find one with quick turn around for delivery or local supplier.
Much appreciated for steering me this way. Less fiddling around and should be more straight forward swap.
Good luck with the Honeywell valves!
Sorry to say, unless they have recently been dramatically redesigned inside, their actuators are rubbish nowadays.
Danfoss valves are definitely poor. I got fed up replacing the heads on the 2 ports valves after they failed with micro switches keeping power to boiler.
I haven't tried many motorised valves, but Myson seem as good now as any and not expensive.
It seems like all companies are much the same these days, cheap parts prob manufactured in the Far East then built/assembled in Europe.
Danfoss refrigeration parts used to be second to none and pretty much standard in many installs. Older parts would last many years now you replace them every other month.
Companies need to get back to manufacturing good parts that last and they can’t expect their name of yester years to keep them going.
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