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C3 & C4 RATINGS
BOILER
BURNER
MODEL
CAPACITY
(1)
GPH (2)
C3
0.75
C4
1.20
Notes:
1. Available as a packaged water boiler only.
2. The Burner Capacity is based on oil having a heating value of 140,000 BTU/GAL.
3. DOE Heating Capacity and Annual Fuel Utilization Efficiency (AFUE) are based on U.S. Government tests at 13.0% CO
smoke and -0.02 inches water column over fire draft on standard equipment package.
4. Net I=B
selecting boiler.
Maximum Working Pressure: 30 PSI water.
C3 & C4 DIMENSIONS
Boiler Model
A
C3
16"
C4
20"
10-3/4"
OPTIONAL TANKLESS HEATERS
OPTIONAL TANKLESS HEATERS
BOILER
HEATER
MODEL
MODEL
C3
V1-2
C4
V1-1
Notes:
1. Tankless heater rating G.P.M. based on 100°F rise with 40°F
inlet water (intermittent draw) with boiler water temperature
of 200° F.
Other Optional Equipment:
• Two stage fuel unit
DOE HEATING
I=B=R NET
CAPACITY MBH
RATINGS
(3)
MBH (4)
89
140
STANDARD EQUIPMENT
AND
B
C
8-3/4"
6"
6"
HEATER GPM
OUTPUT (1)
3.25
3.5
MINIMUMCHIMNEY REQUIREMENTS
ROUND IN
DIAMETER
77
6
121
6
LIFETIME LIMITED WARRANTY
Every C3 & C4 cast iron heat
exchanger is covered by Burnham's
Lifetime True Blue Limited Warranty.
RECTANGLE
HEIGHT
IN. x IN.
(FT.)
8 x 8
15
8 x 8
15
with No. 1 maximum
2
Standard Equipment:
• Cast Iron Section Assembly
• Deluxe Insulated Jacket
• Burner Swing Door &
Mounting Plate Beckett
• Flame Retention Burner
• Boiler Drain Valve
• Barometric Draft Regulator
14000 Volt Electric Ignitor
• Solenoid Oil Valve
• 1-1/2" Supply Connection
• Relief Valve
• Combination High Limit
Circulator Relay Control
• Pressure/Temperature Gauge
• Protectorelay Control
Circulator
Form No. PL81401271001-6/05-.3Mw
Printed in the U.S.A.
©2005 U.S. Boiler Company, Inc. - Lancaster,PA
Phone: 717-397-4701
AFUE %
83.5
81.7
www.burnham.com
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