4
7. Follow a regular service and maintenance schedule
for efficient and safe operation.
8. Keep boiler area clean of debris and free of
combustible and flammable materials.
9. Proper through-the-wall or through-the-roof
combustion venting shall be in accordance with the
iii. rUles For saFe iNstallatioN aND oPeratioN
materials and methods described in this manual.
Installation must comply with local codes.
10. This boiler and related hot water heating systems
are not do-it-yourself items. They must be installed
and serviced by qualified professionals.
iV. Boiler ratiNgs & caPacities
taBlE #1
- sea leVel ratiNgs (NatUral aND ProPaNe gases)
Model
input
(MBH)
(1)
Heating capacity
(MBH)
(1)(2)
Net i=B=r rating
(MBH)
(1)
shipping
weight (lbs.)
aFUe
(2)
Flue Diameter
125
125
112.5
98
284
90
2” CPVC & 3” PVC
150
150
135
117
284
90
2” CPVC & 3” PVC
175
175
157.5
137
284
90
2” CPVC & 3” PVC
200
200
180
157
284
90
2” CPVC & 3” PVC
(1)
1 MBH = 1,000 Btuh (British Thermal Units Per Hour)
(2)
AFUE (Annual Fuel Utilization Efficiency) and Heating Capacity is based on Department of Energy test procedure.
taBlE #2
- NatUral gas
Nominal input
200,000
175,000
150,000
125,000
Vent lengths
Vent lengths
Vent lengths
Vent lengths
altitude
Min
Max
Min.
Max
Min.
Max
Min.
Max
0
200,000
200,000
175,000
175,000
150,000
150,000
125,000
125,000
1,000
197,000
196,500
172,400
172,200
147,800
147,400
123,500
123,000
2,000
194,000
193,000
169,800
169,400
145,600
144,800
122,000
121,000
3,000
191,000
189,500
167,200
166,600
143,400
142,200
120,500
119,000
4,000
188,000
186,000
164,600
163,800
141,200
139,600
119,000
117,000
5,000
185,000
182,500
162,000
161,000
139,000
137,000
117,500
115,000
6,000
182,000
179,000
159,400
158,200
136,800
134,400
116,000
113,000
7,000
179,000
175,500
156,800
155,400
134,600
131,800
114,500
111,000
8,000
176,000
172,000
154,200
152,600
132,400
129,200
113,000
109,000
9,000
173,000
168,500
151,600
149,800
130,200
126,600
111,500
107,000
10,000
170,000
165,000
149,000
147,000
128,000
124,000
110,000
105,000
Ratings shown are for sea level applications. the boiler automatically derates input as altitude increases.
no alterations to boiler are required for altitudes above sea level.
