On 14 Nov 2003 13:39:10 -0800, (John Stumbles)
wrote:

Got a call from Mr Heatweb - they're about £100 :-(

Wonder how much a flow switch is? The Alpha is supposedly OK for DHW
systems provided the degree of hardness is less than 14 degrees dH
(what's dH? I'm sure Reading water is going to be harder than that.)

Flow switches...

FS-05 (AX 3300303)
Qty 1
Price £31.92

http://www.axdistribution.com/FluidM...ow_switchs.htm

HTH.
--

Dave