Hello everyone
I'm having a problem with a motorised valve which is buzzing very
loudly and not opening. I assume I need to change the head?
The valve is a Honeywell V4043H1106 (that's what it says on the
side!), will the Drayton synchron motor mentioned some time back be
compatible?
Any advice much appreciated

Cheers
Ric Z

ricf wrote:
Hello everyone
I'm having a problem with a motorised valve which is buzzing very
loudly and not opening. I assume I need to change the head?
The valve is a Honeywell V4043H1106 (that's what it says on the
side!), will the Drayton synchron motor mentioned some time back be
compatible?
Any advice much appreciated

Cheers
Ric Z

You have a chance..take the head off and power it up separately. If it
doesn't move, get a new head.

Then see if the actual valve body rotates..sometimes they jam and can be
worked free. If it is jammed and won't work free you need a new complete
valve.
The parts aren't expensive, but draining down to retrofit is a pain.

In an earlier contribution to this discussion,
ricf wrote:

Hello everyone
I'm having a problem with a motorised valve which is buzzing very
loudly and not opening. I assume I need to change the head?
The valve is a Honeywell V4043H1106 (that's what it says on the
side!), will the Drayton synchron motor mentioned some time back be
compatible?
Any advice much appreciated

Cheers
Ric Z

You first need to check whether the problem is in the head or in the 'wet'
part of the valve. If the wet part is seized, the motor won't be able to
open it, but may make a lot of noise trying.

Remove the head from the valve and see whether the part of the head which
engages with the valve's shaft *then* motors to the open position. If it
does, the motor is probably ok.

Then check whether the shaft of the valve is stiff to rotate - you should be
able to move it with finger and thumb. If it *is* stiff, you may be able to
free it by turning it back and forth with pliers.
--
Cheers,
Roger
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