Accel CS Boiler - Gas Heat - Eighth Edition – January, 2015 8
Figure 1A - Boiler Dimensions - Top View
CLEARANCE to COMBUSTIBLES and SERVICE
Due to the low stack temperature of the condensing boiler, the Accel CS boiler may be installed with zero clearance to
combustibles. Specifically, with zero clearance to top, bottom, left, right, front and back.
DANGER: Provide clearance to combustible surfaces in accordance with all local and national codes. Follow National Fire
Protection Association Bulletin NFPA Installation of Gas Burning Equipment and all applicable codes.
NOTICE: Do not install on carpeting. Place the unit as near to the vent as possible allowing clearance for cleaning and
service. If not using an Energy Kinetics supplied stand or wall mounting brackets, provide a solid, level, smooth
foundation with clearance for opening covers for service and enough space under the unit for the condensate
trap.
NOTICE:
When determining boiler location, consider hydronic piping, venting, air intake and wiring.
Installation Clearances from Boiler Surfaces, Inches
Clearance to Combustibles
Right side of boiler body
Bottom of boiler chassis to floor (Without boiler base)
Stainless Steel Class III Vent Pipe (Z-Flex Z-Vent III)
Refer to Manufacturer Specs.
Refer to Manufacturer Specs.
Polypropylene (Centrotherm & DuraVent)
Refer to Manufacturer Specs.
Refer to Manufacturer Specs.
*Minimum recommended clearance to allow a condensate trap/neutralizer/pump.
Boiler Weight and Water Content
Weight, filled with
water and w/stand
Supply and
Return Pipe Size
Air Inlet Pipe Size
In Inches
Boiler Flue Outlet
In Inches
"W"
SUPPLY
"D"
"A"
"B"
EK1C FLUE CONNECTOR
EK1C AIR INLET
EK2C & EK3C FLUE
CONNECTOR
EK2C & EK3C AIR INLET
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