WATER GUARDIAN
Electro-Mechanical
System Diagrams

Re-Circulating Hot Water Systems By Koenick Electronics Int'l.
A "People Friendly" System

Option A - Under Sink
(Check Valve Method)

Expanded Version of Under Sink Unit, (shown Below Master Bath on diagram above)
CVA 2 or CVA 3 (Check Valve Assy.) to be installed under "distant most sink" along with Under Sink Re-Circ. Unit, to provide recirculating loop, back to Water Heater Unit cold input side, by way of the existing cold water plumbing lines.
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