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SPECIFICATION AND DIMENSIONS
Electrical Rating: 120/24V 60 Hz less than 12 amperes. Ratings shown are for elevations up to 2000 feet. Elevations over 2000 feet ratings
† See gas conversion chart. should be reduced at the rate of 4% for each 1000 feet above sea level.
* Manufactures rating. ‡ Note: Addition of special controls for CSD-1, IRI and others may increase gas train
size. Consult with the factory.
MINIMUM CLEARANCES FROM
COMBUSTIBLE CONSTRUCTION RECOMMENDED FLOW RATES
LEFT RIGHT TOP MODELS MINIMUM MAXIMUM
MODEL FRONT REAR SIDE SIDE INDOOR OUTDOOR P-514 TO P-1223 60 GPM 120 GPM
P-514 TO 24" 12" 6" * 6" 36" UNOBSTRUCTED P-1287 TO P-1826 SEE FLOW RATES
P-824 P-2100 TO P-4001 TABLE BELOW
P-926 TO 24" 24" 24" 24" 24" UNOBSTRUCTED
P-1826 MODELS
FLOW RATES (GPM)
P-2100 T0 48" 24" 24" 24" 24" MODELS ARE 1287/1336 30-50
P-4001 INDOOR ONLY 1414/1468 35-55
* 18" REQUIRED FOR SERVICING 1571/1631 40-65
1758/1826 45-70
† TO CONVERT NAT. GAS MBH
TO PROPANE MBH 2100 50-80
2500 60-95
MODEL MULTIPLY NAT. MBH 3001 75-115
B
Y
3500 90-135
P-514 TO P-824 0.94 4001 100-150
P-926 TO P-1828 0.92 INDOOR
0.955 OUTDOOR Size for maximum flow rates shown above, and
P-2100 TO P-4001 1.0 (SAME AS NAT. GAS) adjust flow to the boiler to obtain 120°F outlet water
temperature.
MBH NATURAL GAS (X 1000) † DIMENSIONS (INCHES)
APPROX.
MODEL INDOOR OUTDOOR HEIGHT JACKET GAS WATER FLUE SHIPPING
INPUT OUTPUT INPUT OUTPUT WIDTH OVERALL HEIGHT CONN. CONN. DIA. WEIGHT
ABCG HJKL(LBS)
P-514 511.5 419.4 511.5 419.4 32-3/4 57 33 1 2 10 25-3/8 450
P-624 627.0 514.0 638.0 514.0 37-1/2 57 33 1 2 12 20-1/2 480
P-724 726.0 595.0 726.0 595.0 41-5/8 57 33 1 2 12 34-1/4 510
P-824 825.0 676.5 825.0 676.5 45-3/4 57 33 1 2 14 38-1/2 590
P-926 926.0 759.0 52-3/8 1 2 700
P-962 961.7 788.6 52-3/8 76-1/8 33-1/2 1 2 23-5/8 14 28 650
P-1083 1083.0 888.0 59-1/4 1 2 810
P-1125 1124.7 922.0 59-1/4 78-1/8 33-1/2 1 2 23-5/8 16 32 750
P-1178 1178.0 966.0 63-5/8 1 2 800
P-1223 1222.5 1002.4 63-5/8 78-1/8 33-1/2 1 2 23-5/8 16 32 855
P-1287 1287.0 1055.0 68-5/8 1-1/4 2-1/2 975
P-1336 1336.6 1096.0 68-5/8 80-1/8 33-1/2 1-1/4 2-1/2 23-5/8 18 36 970
P-1414 1413.0 1158.5 74-7/8 1-1/4 2-1/2 1065
P-1468 1467.0 1203.0 74-7/8 80-1/8 33-1/2 1-1/4 2-1/2 23-5/8 18 36 1050
P-1571 1570.0 1287.0 81-1/8 1-1/4 2-1/2 1120
P-1631 1630.0 1336.6 1758.0 81-1/8 83-1/8 36-1/2 1-1/4 2-1/2 23-5/8 18 36 1100
P-1758 1441.5 89-3/8 1-1/4 2-1/2 1140
P-1826 1825.6 1497.0 89-3/8 85-1/8 36-1/2 1-1/4 2-1/2 23-5/8 20 40 1190
P-2100 2100.0 1722.0 61 68-1/4 1-1/2 3 24 1580
P-2500 2499.0 2049.0 70 68-1/4 1-1/2 3 26 1780
P-3001 3000.0 2460.0 81-1/4 68-1/4 2 3 28 2000
P-3500 3500.0 2870.0 92-1/2 68-1/4 2 3 30 2180
P-4001 4000.0 3280.0 103-3/4 68-1/4 2 3 32 2500