In message , Pete C
writes
On Sun, 22 Aug 2004 20:09:43 GMT, "Clive M"
wrote:

The problem is the boiler overrun - I cant just wire the hot water pump to
the boiler, and ever time the boiler fires the HW pump would run. How can
pump overrun be implimented?

Hi,

Scuse the dummy question, but why do you need overrun?

To disperse the heat from the heat exchanger into the system

--
geoff