Adjusting actutators | Water Underfloor Heating Advice | Plumbers Forums
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Discuss Adjusting actutators in the Water Underfloor Heating Advice area at Plumbers Forums

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37
Hi all, sorry a very stupid question from a newbie. I think some of my actuators are not closing the valves fully, so there's flow even when the heating is 'off'. Is there a way of checking/adjusting these? Can I just pull them off?

Should I instead just tighten the nut at the top (the radiator-valve type one...) instead?

I don't want to break anything! Thank you.
 

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The grey caps are your valves there flow meters
 
Button on the front to pop them off
 

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