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GV100W BOILER
INSTALLATION & OPERATING INSTRUCTIONS
COMBUSTIBLE FLOOR OPTION
The GV100W boiler has been designed for use on non-
combustible floors only. If a GV100W boiler is to be installed
on combustible flooring of any type, it MUST be installed using
the special base designed by the Smith Cast Iron Boiler Co.
Never use a substitute base when installing this boiler on
a combustible floor!
WARNING: Never install a GV100W boiler on
combustible flooring without using the special base
specifically designed for it by the Smith Cast Iron Boiler
Co. Do not alter in any way, the special base supplied
by the Smith Cast Iron Boiler Co. Failure to comply with
this warning may result in a fire causing extensive
property damage, severe personal injury or death!
To order the special base contact the nearest Smith Cast Iron
Boiler distributor and ask for Smith’s Special Base, Part No.
CB100-(sections). The number of sections is part of the model
number recorded on the rating plate. If the model number is
GV100W-7, the “-7” specifies that the boiler has seven sections.
Therefore, the proper special base would be Part No.
CB100-7. If the model number has a -3 order special base Part
No. CB100-3, etc.
If the GV100W is being installed in an alcove or closet ensure
that the distances between the boiler and all combustible
construction are greater than or equal to the minimum
distances listed in FIG. NO. 1.
CAUTION: Take care not to damage the burners, pilot or
any other gas train components during this procedure. If
a component is damaged, it must be replaced!
Determine the best boiler location by following the instructions
in the BOILER LOCATION section of this manual. Remove the
front access panel and position the boiler in front of this location
leaving room behind the boiler to work. Tightly thread a 1 1/4"
elbow onto the close nipple in the supply pipe so the opening
faces the front of the boiler. Thread a 4' length of 11/4" pipe
into the elbow and carefully lift the front of the boiler. Slide a
3" thick brick or block under the first 1" of each boiler base
side panel. Make sure the boiler is steady and won’t shift to
the side. Remove the 4' length of pipe. Rotate the 1 1/4" elbow
so it’s opening faces the back of the boiler. Thread the 4' length
of pipe, or a shorter one if necessary, back into the elbow.
Place the special base behind the boiler. Using extreme care
lift the boiler up and slide the special base under the boiler.
CAUTION: Never lift the boiler by the jacket panels or
damage to the boiler may result!
Make sure that the special base support channels are squarely
under the boiler base side panels. Carfully slide the boiler and
base into position. Center the boiler from side to side and ensure
that the back of the burner base side panels are flush with the
back of the Special Base support channels. Install the front grill
supplied with the Special Base. Complete the boiler installation
in accordance with the instructions set forth in this manual.