drayton mid valve problems

doncaster_man · 4 Oct 2005

i have an intermittant electrical trip because of the 3 port drayton valve
i dont want to bleed the whole CH system so would prefer to only buy and fit the electrical module of the valve but would like to know if it is possible
the valve is a 679h340-30L0 22mm
please help .

ollski · 4 Oct 2005

presume its leaking through the spindle of the valve body and onto the electrical connections in the actuator?. You could bung the system by blocking (air tight) the feed and vent of the heating storage tank and replace the valve internals.

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drayton mid valve problems

doncaster_man

ollski

DIYnot Local

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