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Gas-Fired Steam Boilers – User’s Information Manual
6 Part Number 550-110-739/0703
Maintenance procedures
The boiler should be inspected and started annually,
at the beginning of the heating season, only by a
qualified service technician. In addition, the maintenance and care
of the boiler designated on page 3 and explained on the following
pages must be performed to assure maximum boiler efficiency and
reliability. Failure to service and maintain the boiler and system could
result in equipment failure, causing possible severe personal injury,
death or substantial property damage.
The following information provides detailed
instructions for completing the maintenance items
listed in “Maintain your boiler using this schedule” on page 3. In
addition to this maintenance, the boiler must be serviced and started
up at the beginning of each heating season by a qualified service
technician.
See page 8 for “Troubleshooting” procedures for common problems.
Component information
Do not attempt to place
boiler in operation if spill
switch cuts off gas flow. Immediately call a
service technician. Failure to do so can
cause severe personal injury, death or
substantial property damage.
Spill switch
The Spill switch is attached to the draft
diverter. It cuts off gas flow if the vent
system becomes blocked.
Rollout thermal fuse element
The Rollout TFE is located above the
burners. It cuts off gas flow should flame
rollout occur.
Do not attempt to place
boiler in operation if rollout
thermal fuse element cuts off gas flow.
Immediately call a service technician. Failure
to do so can cause severe personal injury,
death or substantial property damage.
❏ Check monthly
Boiler and system piping
1. Visually inspect for leaks around piping, relief valve and other
fittings. Immediately call a qualified service technician to repair
any leaks.
Have leaks fixed at once by a qualified service
technician. Continual fresh makeup water will reduce
boiler life. Minerals can build up in sections, reducing heat transfer,
overheating cast iron, and causing section failure.
Do not use petroleum-based cleaning or sealing
compounds in boiler system. Severe damage to boiler
and system components can occur, resulting in possible severe
personal injury, death or substantial property damage.
Venting system
1. Visually inspect all parts or the flue gas venting system for any
signs of blockage, leakage or joints or deterioration of the piping.
2. Check vent system operation:
a. With boiler firing, hold a candle or match below lower edge
of draft diverter “skirt.” If flame does not blow out, but burns
undisturbed, the vent system is working properly. If flame
blows out or flickers severely, the vent system must be
checked for obstructions or other causes of improper
venting.
b. Verify the vent damper opens before burners ignite.
3. Notify your qualified service technician at once if you find any
problem.
Failure to inspect the vent system as noted above
and have it repaired by a qualified service
technician can result in vent system failure, causing severe
personal injury or death.
Boiler area
To prevent potential of severe personal injury, death
or substantia
W-T
8201 W. Calumet Rd.
Milwaukee, WI 53223
l property damage, eliminate all materials
discussed below from the boiler vicinity. If found:
• Remove products immediately from the area. If they have
been there for an extended period, call a qualified service
technician to inspect the boiler and vent system for possible
damage from acid corrosion.
• If products cannot be removed, immediately call a qualified
service technician to install an outside combustion air source
for the boiler (if not already installed).
1. Combustible/flammable materials — Do not store combustible
materials, gasoline or any other flammable vapors or liquids
near the boiler. Remove immediately if found.
2. Air contaminants — See listing of contaminants on page 2.
Pressure gauge
1. Make sure the pressure reading on the boiler pressure gauge
does not exceed 15 psig. Normal operation is usually less than
5 psig. At certain times the system may be under vacuum
conditions.
2. Contact a qualified service technician if problem persists.
Air openings
1. Verify that combustion and ventilation air openings to the boiler
room and/or building are open and unobstructed.
❏ Check daily