Recess Box Installation Manual

100272738 3
WATER HEATER INSTALLATION IN RECESS BOX
1. Install the bottom support brackets (Item #3) using two
screws (Item #4) into the appropriate set of holes for the
heater that is being installed (see Figure 6).
a. for Models 110(U), 310(U), and 510(U) use the upper
set of holes
b. for Models140 use the lower set of holes
2. Remove and set aside the front cover of the water heater.
3. Install the water heater into the recess box:
a. For 140 model: Use screws (Item #6) to secure the
heater to the top mount bracket and the bottom
support brackets (see Figure 7 and Figure 9).
b. For 110(U), 310(U), 510(U): Use screw (Item #4) to
secure mounting tab (Item #8) to the top mounting
bracket. Use screws (Item #6) to secure the heater to
the mounting tab as shown in Figure 8. Use screws
(Item #6) to secure the heater to the bottom support
brackets (see Figure 8 and Figure 10)
4. Connect the water lines, gas line, pressure relief valve
discharge line, electrical supply line, and condensate
drain line (for Model 140), per the heater’s installation
manual.
5. Test the water heater for proper operation and test for
any gas and water leaks.
6. Use four screws (Item #4) to attach the lock bracket
(Item #5) to the holes in the lower right side of the recess
box.
7. Use silicone to seal any openings between the recess
box and wall face to prevent water from entering the wall
cavity (see Figure 4 or Figure 5).
8. Reinstall the front cover of the water heater.
9. Re-attach the front cover (Item #2) using the door screws
(Item #7) removed earlier.
SILICONE
CAULKING
SILICONE
CAULKING
Figure 4.
Figure 5.
GAS
BOTTOM
SUPPORT
BRACKET
FOR
OUTDOOR
140
MODEL
TOP
MOUNT
BRACKET
BOTTOM
SUPPORT
BRACKET
HOLES
FOR
OUTDOOR
110(U),
310(U),
& 510(U)
MODELS
HOLES
FOR
SIDE
ENTRY
HOT
COLD
HOLE
FOR
SIDE
ENTRY
BOTTOM
SUPPORT
BRACKET
FOR
OUTDOOR
140
MODEL
HOLES FOR
BOTTOM ENTRY
HOT
HOT
COLD
HOLES
FOR BACK
ENTRY
COLD
BOX CASE FOR RETROFIT INSTALLATION SHOWN.
BOX CASE FOR NEW CONSTRUCTION SIMILAR.
Figure 6.