hot water control valve

ceraunic_level · 18 May 2010

changing a boiler timer to a ST9400a. the system is a gravity hot water system, so i read i have to set as a mini programmer if i have not got a hot water control valve.
my question is how do i know if i have a hot water control valve

cheers

twgas · 18 May 2010

so i read i have to set as a mini programmer if i have not got a hot water control valve.

where did you read this?
I suspect it refers to a motorised valve, if you have one (or more), then you should be able to have full control.

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hot water control valve

ceraunic_level

twgas

DIYnot Local

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