Hi, I have a Drayton Lifestyle 2-Port Motorised valve which has a habit of sticking on, i have had the snap on Actuator replaced twice in years . There are several reasons why a motorised valve might fail but usually the fault will be with the actuator assembly. If the motor assembly (actuator) has failed. If you have an un-vented heating system, that is with a cylinder (hot water tank) and a motorised valve and find. ACL, Drayton and Invensys motorised valve actuators – photos and problems.
As an adjunct to the extensive examples of failed Sunvic actuators shown on this . ACL Drayton motorised valves are very similar in operation, as are Iflo and British Gas. Sometimes it is possible to free a sticking valve, at least temporarily, . The likely fix is a replacement valve, which will mean draining down your. If its the head thats clicking it sounds like a stuck valve. Buzzing Honeywell Motorised Valve – How easy to fix.
Dec 2012Hot water problem, sticking valve? Dec 2011Noisy motorised valve (sometimes) in central heating. Nov 2009How to replace a blue switchmaster central heating valve.
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This type of valve is commonly found in domestic central heating systems where it controls flow of hot water from a boiler to hot water and radiator circuits in a Y-plan system configuration. Our central heating has a Drayton MAmid-position valve that no longer works properly. I’m stuck when it comes to the diagnosis. Drayton motorised valves now incorporate a ‘snap-on’ actuator. The actuator can be removed from the body simply by pressing . Mar 20- Drayton Mid Position Valve Actuator – Help Needed.
I’ve had them before where the heads fine but the spindle on the body is sticking.
