48
Figure 19. 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 gr ade, citric acid).
Cold Wa ter Line
HotWater Line
n-line
Filter
I
Ever Hot®