Building Hot Water
Supply Line
Storage Tank
(No Burner or
Heating Element)
Submersible
Aquastat
(set @ 20°F below On- Demand Temperature Setting)
Pump / Aquastat Control Wire
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Equipment List | QTY |
1 | |
Water Heaters |
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Set @ 20°F above | |||||||||||||||||||
Water Heater | storage tank Aquastat | ||||||||||||||||||
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Gas Supply
Reference the section on
Pump Sizing for Storage Tank
Application.
Cold Water Supply Line
Expansion Tank
Domestic Hot Water - Backup Storage
1
Preferred Piping Installation
Key
3/4" Ball Valve
3/4" Union
Check Valve
Pressure Relief Valve
Pressure Regulator
Circulating Pump
S
Boiler Drain Valve
Solenoid Valve | Mixing Valve |
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.
Drawing Date:
September 07, 2008
Drawing Number:
30
