Andy Jenkins wrote:

On Tue, 07 Oct 2003 09:22:56 -0400, S Viemeister
wrote:

Hah. Not if it was installed by the idiot who did mine. No isolation
valves.


Yeah - same here .. no valves either side.

Do you install valves before you replaced the pump?
We didn't - should have, but time was of the essence, the space was very
cramped, there would have been too much cutting and refitting.....I know
we'll regret it, eventually, but at least the heat is working now.

Sheila