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Figure 4: Recommended Piping for Basic Installation
I_o n o_1
o o
Water Heater
O O
Equipment List QTY
Water Heaters 1
Plumbing Installation 1
Kit (Optional)
(3/4" Fittings Include:
2 Unions, 2 Ball Valves,
2 Drain Valves and
1 Pressure Relief Valve.)
314" Gas Connection
i
314" HotWater Supply Lin,
For Building Fixtures
Gas Supply
314" Cold Water S_ly Line
I _ 3/4" Ball Valve
-- 3/4" Union
Check Valve
z_ Pressure Relief Valve
KEY
_ Pressure Regulator
I_ Circulating Pump
I-_ Boiler Drain Valve
[_ Solenoid Valve
This is not an engineered drawing, It is intended only as a guide and not
as a replacement for professionally engineered project drawings. This
drawing is not intended to describe a complete system. It is up to the
contractor/engineer to determine the necessary components and
configuration of the particular system being installed, This drawing does
not imply compliance with local building code requirements, It is the
responsibility of the contractor/engineer to ensure installation is in
accordance with all local building codes. Confer with local building
officials before installation.
305 & 505 Indoor Manual 15