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Compatible replacement actuator : myson mpe322

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from United Kingdom

Joined: 02 Dec 2010
Posts: 29
Location: Bradford,
United Kingdom

PostPosted: Fri Jan 06, 2012 9:38 am Reply with quote

Does anybody have an idea which if any actuators are a direct replacement compatible with this myson mpe322 3 port actuator ( also called act322 I bleieve)

Is there a sunvic actuator that fits or another .
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from United Kingdom

Joined: 14 Mar 2010
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Location: Norfolk,
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PostPosted: Fri Jan 06, 2012 10:10 am Reply with quote

As far as I know the Potterton / Myson are the only heads compatible with that body. They are not the best and you can buy the complete valve and head for 36. I would change the whole valve and fit a Honeywell.
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from United Kingdom

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Location: London,
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PostPosted: Fri Jan 06, 2012 10:42 am Reply with quote

I agree.

For a customer I would change the head as thats cheaper than having to drain and change the whole valve.

But for myself if I had the time then I would fit a Honeywell valve.

The motor only can be changed on the Honeywell ones but on the Myson its difficult and usually the plastic bits have failed anyway.

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from United Kingdom

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PostPosted: Fri Jan 06, 2012 11:22 am Reply with quote

Another one to add to the Honeywell suggestion!

Easy to obtain new motors and heads if ever required.

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from United Kingdom

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PostPosted: Fri Jan 06, 2012 12:13 pm Reply with quote

I did manage to fit a Danfoss actuator to one of these valves once - BUT it was a lot of work including the need to drill new mounting holes in the valve face plate - not something i would recommend

when getting a quote for a new head ask for the price of a complete valve/head assy as for some stupid reason they are often cheaper when bought as a complete head/valve - you can simply take the new valve off and just use the head on your existing valve body icon_wink.gif
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from United Kingdom

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Location: Oxfordshire,
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PostPosted: Fri Jan 06, 2012 10:08 pm Reply with quote

Why do you want to have a different actuator? Why not simply buy another ACT322? I had to replace an ACT222 this week and my local Parts Centre had two in stock.
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