Specifications
Boiler Specification SL 10-85 G3 SL 14-115 G3 SL20-160 G3 SL 30-199 G3
CSA Input (Natural Gas or
Propane) - MBH
CSA Input (Natural Gas or
Propane) - kW
CSA Output - MBH
CSA Output - kW
10.6 - 85
3.1 - 24.9
10.1 - 79
2.96 - 23.1
14 - 115
4.1 - 33.7
13.3 - 109
3.9 - 32
20 - 160
5.86 - 46.9
19 - 147
5.57 - 43.1
32 - 199
9.37 - 58.3
30 - 181.3
8.8 - 53.1
A.F.U.E 96% 95% 95% 95%
Minimum gas supply pressure
(Natural Gas or Propane) - inch
w.c.
4 4 4 4
Maximum gas supply pressure
(Natural Gas or Propane) - inch
w.c.
14 14 14 14
Power use (120Vac/60Hz) @ full
fire - Watts (less pumps)
54 72 82 100
Weight (empty) - lbs/Kg 85 / 39 85 / 39 102 / 46.3 152 / 69
Pressure vessel water content -
USG/Litres
2.47 / 9.35 2.47 / 9.35 1.72 / 6.51 5.09 / 19.3
Maximum boiler flow rate - USgpm 14 14 19 22
Minimum boiler flow rate - USgpm 2 2 4 6
Maximum operating water
pressure* - psig
30 30 30 30
Minimum water pressure - psig 8 8 8 8
Approved installation altitude - ASL 0 - 12,000’ 0 - 12,000’ 0 - 12,000’ 0 - 12,000’
Ambient temperature
Low °F / °C
High °F / °C
32°F / 0°C
122°F / 50°C
32°F / 0°C
122°F / 50°C
32°F / 0°C
122°F / 50°C
32°F / 0°C
122°F / 50°C
Max. relative humidity (non-
condensing)
90% 90% 90% 90%
Minimum water temp. 34°F / 1°C 34°F / 1°C 34°F / 1°C 34°F / 1°C
Maximum water temp. (electronic
hi-limit)
190°F / 88°C 190°F / 88°C 190°F / 88°C 190°F / 88°C
Max. Water Temperature Lockout 201°F / 94°C 201°F / 94°C 201°F / 94°C 201°F / 94°C