3
INSTALLATION AND OPERATING INSTRUCTIONS
HC SERIES BOILERS HC 13-50, HC 15-95, HC 15-96, HC 20-125, HC 33-160
SPECIFICATION HC 13-50 HC 15-95 HC 15-96 HC 20-125 HC 33-160
CSA Input (Natural Gas or
Propane) – MBH
13.5 - 51 15 - 95 15 - 96 20 - 125 33 - 160
CSA Input (Natural Gas or
Propane) – KW
3.95 - 14.94 4.4 - 27.8 4.4 - 28.1 5.6 - 36.6 9.7 - 46.9
CSA Output – MBH 12.4 - 45.4 14.4 - 85.5 14.5 - 85.9 18.6 - 110.8 30.4 - 140.0
CSA Output - KW 3.64 - 13.3 4.2 - 25.0 4.3 - 25.2 5.4 - 32.5 8.9 - 41.0
A.F.U.E 94% 95% 96% 95% 94%
Min Gas Pressure (Nat. Gas or
Propane) – inch w.c.
5 5 5 5 5
Max Gas Pressure (Nat. Gas or
Propane) – inch w.c.
14 14 14 14 14
Power (120Vac/60Hz) - Watts @ full
re with internal pump
126 128 128 130 164
Weight (empty) – lbs/Kg 84 / 38 91 / 41 96 / 44 96 / 44 96 / 44
Pressure Vessel water content –
USG/Liters
0.37 / 1.4 0.37 / 1.4 0.5 / 1.9 0.5 / 1.9 0.5 / 1.9
Max boiler ow rate - USgpm 9 10 10 11 11
Min boiler ow rate - USgpm 2 2 2 3 3
Max Operating Pressure – Space
Heating Coil - psig
43.5 43.5 43.5 43.5 43.5
Approved installation altitude -
ASL
10,000 ft 10,000 ft 10,000 ft 10,000 ft 10,000 ft
Ambient Temperature – Low
(°F/°C)
32 / 0 32 / 0 32 / 0 32 / 0 32 / 0
Ambient Temperature – High
(°F/°C)
122 / 50 122 / 50 122 / 50 122 / 50 122 / 50
Max relative humidity (non-
condensing)
90% 90% 90% 90% 90%
Min water Temperature - Space
Heating (°F/°C)
50 / 10 50 / 10 50 / 10 50 / 10 50 / 10
Max water Temperature – Space
Heating (°F/°C)
194 / 90 194 / 90 194 / 90 194 / 90 194 / 90
Max equivalent vent length 3"
(each side)
120' 120’ 120' 120' 120'
Max equivalent vent length 2"
(each side)
35' 35’ 35' 35' 35'
* Natural Gas boilers require a Propane conversion kit (see page #3-2, Table 9) to be ordered separately if converting a Natural Gas boiler to Propane. Propane (LP)
boilers require a Natural Gas conversion kit (see page #3-2, Table 9) to be ordered separately if converting a Propane boiler to Natural Gas.
† boilers are shipped with 30 psig pressure relief valve
SPECIFICATIONS