66
Figure 43. Piping for Mineral Scale Flushing.
Rinnai
Water Heater
GasSupply
V1
V3
V2
V4
H1
H2
H3
Circulating Pump
5 gallonpail of virgin, food
grade, white vinegar (or vir gin,
food grad e, citric acid).
Cold Wa ter Line
HotWater Line
n-line
Filter
I
Ever Hot®