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Warning

This boiler requires regular maintenance and service to operate safely. Follow the instructions contained

in this manual.
improper installation, adjustment, alteration, service or maintenance can cause property damage, personal

injury or loss of life. read and understand the entire manual before attempting installation, start-up

operation, or service. installation and service must be performed only by an experienced, skilled, and

knowledgeable installer or service agency
This boiler must be properly vented.

This boiler needs fresh air for safe operation and must be installed so there are provisions for adequate

combustion and ventilation air.
The interior of the venting system must be inspected and cleaned before the start of the heating season

and should be inspected periodically throughout the heating season for any obstructions. a clean and

unobstructed venting system is necessary to allow noxious fumes that could cause injury or loss of life

to vent safely and will contribute toward maintaining the boiler’s efficiency.

installation is not complete unless a pressure relief valve is installed into the tapping located on left side

of appliance. - See the Water Piping and Trim Section of this manual for details.
This boiler is supplied with safety devices which may cause the boiler to shut down and not re-start

without service. if damage due to frozen pipes is a possibility, the heating system should not be left

unattended in cold weather; or appropriate safeguards and alarms should be installed on the heating

system to prevent damage if the boiler is inoperative.

This boiler contains very hot water under high pressure. Do not unscrew any pipe fittings nor attempt

to disconnect any components of this boiler without positively assuring the water is cool and has no

pressure. Always wear protective clothing and equipment when installing, starting up or servicing this

boiler to prevent scald injuries. Do not rely on the pressure and temperature gauges to determine the

temperature and pressure of the boiler. This boiler contains components which become very hot when

the boiler is operating. Do not touch any components unless they are cool.
Boiler materials of construction, products of combustion and the fuel contain alumina, silica, heavy metals,

carbon monoxide, nitrogen oxides, aldehydes and/or other toxic or harmful substances which can cause

death or serious injury and which are known to the state of California to cause cancer, birth defects and

other reproductive harm. Always use proper safety clothing, respirators and equipment when servicing

or working nearby the appliance.
Failure to follow all instructions in the proper order can cause personal injury or death. read all instruc-

tions, including all those contained in component manufacturers manuals which are provided with the

boiler before installing, starting up, operating, maintaining or servicing.

all cover plates, enclosures and guards must be in place at all times.

nOTiCE

This boiler has a limited warranty, a copy of which is printed on the back of this manual. it is the responsibility

of the installing contractor to see that all controls are correctly installed and are operating properly when the

installation is complete.