I've been following this thread with interest as I'd like to include a flow meter or switch in my WC setup for protection but without hurting waterflow or incurring great expense. I've looked at getting the Swissflow and not bad at 50 euros but they only take payment by wire transfer. Wiretransfer will end up costing almost as much as the flowmeter itself.
Isn't the simple answer to install an inexpensive meter / switch in parallel? Certainly won't give accurate flow rate but I don't really care much about that. I'm after system protection.
Louis
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