Specification CX 150 CX 199
CSA Input (Natural Gas or Propane) 15 - 150 MBH 20 - 199 MBH
CSA Input (Natural Gas or Propane) 4.4 - 44 kW 5.9 - 58.3 kW
CSA Output 14.3 - 138.5 MBH 19.1 - 183.7 MBH
CSA Output 4.2 - 40.6 kW 5.6 - 53.8 kW
DHW - CSA Input (Natural Gas or Propane) 15 - 150 MBH 20 - 199 MBH
DHW - CSA Input (Natural Gas or Propane) 4.4 - 44 kW 5.9 - 58.3 kW
AFUE 95% 95%
Minimum gas supply pressure (natural gas or propane) 4 inch w.c. 4 inch w.c.
Maximum gas supply pressure (natural gas or propane) 14 inch w.c. 14 inch w.c.
Minimum Ambient temperature 32°F / 0°C 32°F / 0°C
Maximum Ambient temperature 122°F / 50°C 122°F / 50°C
Max. relative humidity (non-condensing) 90% 90%
Minimum water temp. 34°F / 1°C 34°F / 1°C
Maximum water temp. (electronic hi-limit) 190°F / 88°C 190°F / 88°C
Max. ΔT - supply/return (electronic fence) 40°F / 22.2°C 40°F / 22.2°C
Max. water temperature lockout limit 201°F / 94°C 201°F / 94°C
Power use (120Vac/60Hz) @ full fire (with internal pump) 224.9 Watts 234.2 Watts
Weight (empty) 100 lbs / 45.4 Kg 113 lbs / 51.3 Kg
Pressure vessel water content 2.79 USG / 10.56 L 3.51USG / 13.29 L
Maximum boiler flow rate 19 USgpm 25 USgpm
Minimum boiler flow rate 3 USgpm 4 USgpm
Maximum boiler operating water pressure* 50 psig 50 psig
Minimum boiler water pressure 8 psig 8 psig
Maximum DHWwater pressure 150 psig 150 psig
Minimum DHWwater pressure 40 psig 40 psig
Relief valve pressure (supplied) 30 psig 30 psig
Approved installation altitude 0 - 12,000' ASL 0 - 12,000' ASL
Maximum equivalent 2" vent length each side (vent & air
intake)
50' N/A
Maximum equivalent 3" vent length each side (vent & air
intake)
170' 100'