Specifications

Part number 550-100-090/0809
g a s -f i r e d w a t e r b o i l e r — Boiler Manual
54
Multiple boiler installations
Placing multiple boilers
Locate multiple boilers in boiler room according 1.
to:
a. Figure 56 (side-to-side), or
b. Figure 57 (back-to-back).
c. Figure 58 (wall mounting).
Provide indicated clearances around boilers for ac-2.
cess and servicing. If recommended dimensions are
not possible, provide at least the minimum clear-
ances given on page 5. Also follow local codes.
Construct boiler foundation if boiler room floor 3.
is uneven or if there is a danger of flooding. Size
foundation to allow for clearance and spacing di-
mensions shown in the illustrations at right.
Chalkline boiler locations on foundation or boiler 4.
room floor.
Uncrate, assemble and mount boilers according to 5.
instructions in this manual.
Provide clearance for installation of venting, air 6.
piping, gas piping, expansion tank, primary circula-
tor and other accessories.
Wall mounting (Models 80 – 399)
Ultra boilers may be wall mounted, following the 1.
instructions on page 46. (See Repair parts section
for part number of wall mounting kit.)
When wall mounting boilers, provide approxi-2.
mately 6 inches between boilers for easy removal
of boiler jacket door. See Figure 58.
Follow all applicable codes regarding piping, electri-3.
cal connections and clearances.
When wall mounting boilers, verify the wall con-4.
struction is suitable for the structural load. See
page 46 for details.
Side-to-side mounting of multiple Ultra boilersFigure 56
Back-to-back installation of multiple Ultra boilersFigure 57
Wall mounting multiple Ultra boilersFigure 58