Maintain all clearances around
the water heater.
Model
240 Indoor (T-H3J-DV)
340 Indoor (T-H3S-DV)
540 Indoor (T-H3-DV)
240 Outdoor (T-H3J-OS)
340 Outdoor (T-H3S-OS)
540 Outdoor (T-H3-OS)
*24 inches recommended for maintenance.
Check that these items below are included with the water heater.
Installation manual
Temperature remote controller kit*
and owner's guide
Qty: 1
*Refer to p.29.
#
Model
Temperature remote
1.
controller
4" Backflow preventer
2.
and F-F adaptor
3.
Pipe cover
4.
Neutralizer kit
Sidewall vent
5.
terminator (Hood)
and Wall thimble
3" PVC concentric
6.
termination
CLEARANCES
Top
Bottom
12 in.
(305 mm)
(305 mm)
36 in.
(914 mm)
(305 mm)
INCLUDED ACCESSORIES
Outdoor models only
Qty: 1
OPTIONAL ITEMS
240
240
Indoor
Outdoor
(T-H3J-DV)
(T-H3J-OS)
✓
✓
✓
✓
✓
✓
✓
✓
✓
9
Side
Front
Bottom
Front
Back
12 in.
4 in.*
0.5 in.
(102 mm)
(13 mm)
12 in.
24 in.
0.5 in.
(610 mm)
(13 mm)
Bird screen
Indoor models only
Qty: 2
340
340
Indoor
Outdoor
(T-H3S-DV)
(T-H3S-OS)
✓
✓
✓
✓
✓
✓
✓
✓
✓
Page
Installation Manual
Installation
Top
Back
Side
Sides
2 in.
(51 mm)
2 in.
(51 mm)
Communication cable
540 (T-H3) models only
Qty: 1
540
540
Indoor
Outdoor
(T-H3-DV)
(T-H3-OS)
✓
✓
✓
✓
✓
✓
✓
✓
✓