Domestic Hot Water - Standard Installation
6 On-Demand Water Heaters
Preferred Piping Installation
Drawing Number:
Drawing Date:
H-6
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.
19
Sub 1
Sub 2
Primary
Sub 1
Sub 2
On-Demand
Equipment List
QTY
On-Demand
6
Water Heaters
Electronic Connection *
* Refer to On-Demand Accessories
and Model Applicability for
electronic connection details.
Cold Water Supply Line
Hot Water Supply Line
Pressure Regulator
Set to 5 PSI Below
Street Pressure
Primary
Gas Supply
Demand
Water
Heater
On-
Demand
Water
Heater
On-
Demand
Water
Heater
On-
Demand
Water
Heater
On-
Demand
Water
Heater
On-
Demand
Water
Heater
On-
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
Summary of Contents for On Demand 305 Series 100
Page 39: ...39 Notes...
