Specifications

3
I Product Description
TheFCM070,FCM090andFCM120arealuminumgasredcondensingboilersdesignedforuseinforcedhotwater
heatingsystemsrequiringsupplywatertemperaturesof180°Forless.Theseboilersaredesignedforinstallationona
wall,howevertheymaybeoormountedusinganoptionalpedestalkitavailablefromU.S.BoilerCompany,Inc.This
boilermaybeventedverticallyorhorizontallywithcombustionairsuppliedfromoutdoors.Thisboilerisnotdesigned
foruseingravityhotwatersystemsorsystemscontainingsignicantamountsofdissolvedoxygen.
II Specifi cations
MODEL*
NO.OF
SECTIONS
MAXIMUM
INPUT
(BTU/hr)
MINIMUM
INPUT
(BTU/hr)
D.O.E.
HEATING
CAPACITY
(BTU/hr)
IBRNET
RATING
(BTU/hr)
AFUE(%)
WATER
VOLUME
(Gal.)
APPROX.
NET
WEIGHT
(lb)
FCM070 monoblock 70,000 30,000 63,000 55,000 95.4 0.41 102
FCM090 monoblock 90,000 30,000 80,000 70,000 94.5 0.41 102
FCM120 monoblock 120,000 40,000 107,000 93,000 95.2 0.62 110
*Addsufx“N”fornaturalgasand“P”forpropane.Ratingsarethesameforbothfuels.
Using60/100mmConcentricVentSystemSuppliedwiththeBoiler................................................................25in.
UsingOptional60/100mmConcentricVentComponents:
FCM070
.......................................................................................
32ft
FCM090
.......................................................................................
32ft
FCM120
.......................................................................................
18ft
UsingApproved3”AL29-4CHorizontalStainlessVentSystemandOptionalStainlessSteelVentKit..........55ft
SeeVentingSectionforadditionalventingoptionsandrequirements
TABLE 2.3: MAXIMUM VENT LENGTHS
TABLE 2.2: SPECIFICATIONS
Figure 2.1: General Con guration