Operating instructions
6
NOTICE
Used to address practices not related to personal 
injury.
CAUTION
Indicates a hazardous situation which, if not 
avoided, could result in minor or moderate injury.
! 
 WARNING
Indicates a hazardous situation which, if not 
avoided, could result in death or serious injury.
! 
DANGER
Indicates a hazardous situation which, if not 
avoided, WILL result in death or serious injury.
! 
This is the safety alert symbol. Symbol alerts you to 
potential personal injury hazards. Obey all safety messages 
following this symbol to avoid possible injury or death.
2.2 Become familiar with symbols identifying
potential hazards.
2.1 General
Boiler installation shall be completed by qualied agency. 
See glossary for additional information.
 WARNING
Fire, explosion, asphyxiation and electrical shock 
hazard. Improper installation could result in death 
or serious injury. Read this manual and understand 
all requirements before beginning installation.
! 
2.3 Installation shall conform to requirements of 
authority having jurisdiction or in absence of such 
requirements:
• 
United States
• National Fuel Gas Code, ANSI Z223.1/NFPA 54
. 
• National Electrical Code, NFPA 70.
• Canada 
• Natural Gas and Propane Installation Code, 
CAN/CSA B149.1.
• Canadian Electrical Code, Part I, Safety Standard 
for Electrical Installations, CSA C22.1
2.4 Where required by authority having jurisdiction,  
installation shall conform to Standard for Controls 
and Safety Devices for Automatically Fired Boilers, 
ANSI/ASME CSD-1. 
Additional manual reset low water cutoff may be required.
2.5 Requirements for Commonwealth of 
Massachusetts: 
Boiler installation must conform to Commonwealth of 
Massachusetts code 248 CMR which includes but is not 
limited to:
• Installation by licensed plumber or gas tter.
2 - IMPORTANT SAFETY INFORMATION










