On 20/09/2017 20:14, swoopdave wrote:
replying to Ed Sirett, swoopdave wrote:
What keeps the 3 way valve open to the rads while its over running?

I presume this is reply to a very ancient post since Ed has not posted
hear for ages. However you will probably find what you need he

http://wiki.diyfaq.org.uk/index.php/...Pump_Ov errun




--
Cheers,

John.

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