A.O. Smith 305 Series 100 Water Heater User Manual


 
Domestic Hot Water - Standard Installation
5 On-Demand Water Heaters
Preferred Piping Installation
Drawing Number:
Drawing Date:
H-5
September 07, 2008
NOTE: This drawing is not intended to describe a complete system and is not a replacement for a pro-
fessional engineering drawing. It is intended only as a guide and does not imply compliance with local
building code requirements. Confer with local building officials before installation
. The Contractor or
engineer is to determine the necessary components and configuration of the particular system to be in-
stalled. It is the responsibility of the engineer or contractor to ensure that the installation is in accordance
with all local building codes.
18
On-Demand
Equipment List QTY
On-Demand 5
Water Heaters
Electronic Connection *
* Refer to On-Demand Accessories
and Model Applicability for
electronic connection details.
Hot Water Supply Line
Cold Water Supply Line
Gas Supply
Primary
Sub1
Sub 2
Sub 4
Sub 3
On-Demand
Water Heater
On-Demand
Water Heater
On-Demand
Water Heater
On-Demand
Water Heater
On-Demand
Water Heater
Key
Pressure Relief Valve
Check Valve
3/4" Union
3/4" Ball Valve
Boiler Drain Valve
Solenoid Valve
S
Pressure Regulator
Circulating Pump
Mixing Valve