Back home

Reference material

System diagram legend

LabelMeaning
FWFresh water
GWGrey water
BWBlack water
VIsolation valve
CVCheck/backflow valve
PRPressure regulator
STPump strainer
PDemand pump
ACCAccumulator
WHWater heater
TMVThermostatic mixing valve
POUPoint-of-use treatment
LPDLow-point drain
VENTTank air/odor vent
COCleanout
FILL / JUGTANK + VENTSTRAINERPUMPCOLD MANIFOLDFILTER + UVDRINK TAPWATER HEATERSHOWER / SINKGREY TANKDUMP VALVE
drain + level
cold feed
hot + fixture drains

Use these reference sheets alongside the guide while planning your system.