Weil-McLain Standing Pilot Cast Iron Gas Boiler CGA25SPDN User Manual

Page of 68
GOLD CGa Gas-Fired Water Boiler — Boiler Manual
28
Part Number 550-101-009/0107
Start-up — preparation
6a
Check for gas leaks 
"EFORE
 
0ROPANE
pane supplier mixes an odorant with 
the propane to make its presence 
detectable. In some instances, the 
odorant can fade and the gas may 
no longer have an odor.
s
at floor level. Smell near the 
floor for the gas odorant or any 
unusual odor. If you suspect a 
leak, do not attempt to light the 
pilot.
s
to light the propane pilot. This 
should be done by a qualified 
service technician, particularly 
if pilot outages are common.
s
level of your gas.
s
yearly to make sure all gas piping 
is leak-tight.
s
regarding installation of a gas 
leak detector. There are some 
products on the market intended 
FOR
Determine if water treatment is needed
$O
PETROLEUM BASED
COMPOUNDS
 in boiler system. Severe damage to boiler 
will occur, resulting in substantial property damage.
%LIMINATE
Verify water chemistry
#ONSULT
Freeze protection (when used)
Use antifreeze made especially for hydronic systems. Inhibited propylene 
glycol is recommended. 
$O
ETHYLENE
ANTIFREEZE
. Severe personal injury or death can result.

ANTIFREEZE
  according to system water content. 
"OILER
2.  Follow antifreeze manufacturer’s instructions.

tion to about -30°F.
4.  Local codes may require 
BACK
 or actual disconnect from 
city water supply.
5.  When using antifreeze in a system with automatic fill, install a water 
METER