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Figure 2: Minimum Clearances to Combustibles
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All Models - The following service clearances are recommended from the top and front of the boilers:
16-325, 16-390 – 24 inches
16-455, 16-520, 16-585 – 48 inches
These clearances may be reduced to those shown in Table 2, however servicing the boiler will become increas-
ingly difficult as these service clearances are reduced.
3) The boiler must be installed on a hard level surface.
4) Do not install this boiler in a location where gasoline or other flammable vapors or liquids will be stored or used.
Do not install this boiler in an area where large amounts of airborne dust will be present, such as a workshop.
5) The boiler should be located as close to the chimney as possible.
6) Do not install this boiler directly on a surface that may get wet. Raise the boiler on a pad.
Table 2: Minimum Clearances From Boiler To Combustible Material (inches)
Boiler Model Front Top Sides Rear
16-325 & 16-390 18 36 6 6
16-455, 16-520, 16-585 18 51-1/2 6 6
Clearance between adjacent Series 16 boilers in modular or multiple boiler installation = 1”