Freeze Protection - Kenmore 305 Owner's Manual

Direct vent tankless water heaters 305 series 505 series natural/propane gas
Table of Contents

Advertisement

Figure 4: Freeze Protection Piping - Drawing
o
o
Vacuum
Breaker
Water
Heater
NOTE:
Heat trace (heat tape) ALL water pipe and fittings
located outside home (attic, crawl space) or
building structure.
(ALL water pipe and fittings
shown above the dashed line in the drawing.)
NOTE:
ALL pipe and fittings shown below dashed line
should be located inside home or building
structure.
The vacuum breaker line should be located
inside the building structure.
J
0
0
_]
_--___
-- 3/4" Gas Connection
Minimum
3/4" Hot Water
Supply Line
1/2" Minimum
Normally
Open
Solenoid Valve
D
3/4" Minimum
Minimum
3/4"
Normally
Closed
Cold Water
Solenoid
Valve
Supply Line
Route to Floor Drain
i&
14
3/4" Ball Valve
3/4" Union
Check Valve
Pressure
Relief Valve
KEY
_
Pressure
Regulator
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 Outdoor
Manual

Advertisement

Table of Contents
loading

This manual is also suitable for:

505154.330040154.330050154.330080154.330090

Table of Contents