In article ,
yogi writes:
On Mar 16, 10:14*pm, Ed Sirett wrote:
On Sun, 16 Mar 2008 02:31:59 -0700, yogi wrote:
I have fitted a shower pump and connected it to the HW cylinder using a
surrey flange. When the hot taps elsewhere in the house are turned off
the pump activates for half a second. Any suggestions how to cure this
please?

Is this a negative or positive head pump. (i.e. has it a pressure or flow
operated switch).

It's a positive. It's a Salamander RSP50 pump.

I suspect you've got a deadleg with air in it after the pump.

--
Andrew Gabriel
[email address is not usable -- followup in the newsgroup]