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

12

Part Number 550-101-009/0107

1.  Remove front jacket door. Remove base access panel 

(See 

, item 

, page 62).



 below for sizing. (The orifice size is stamped 

on the orifice spud barrel.)

1.  

 until installa-

tion site is ready.

2.  Move entire crate and pallet next to selected loca-

tion.

3. Remove 

crate. 

4.  Remove boiler from pallet as follows:

a.  Tilt left side of boiler up and place a board under 

left legs.

b.  Tilt boiler the other way and place a board under 

right legs.

c.  Slide boiler backwards off pallet and into posi-

tion.

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a.  Shim legs, if necessary.
B

(when required)

1.  Remove access panel.

2.  On gas manifold, mark location of main burner with 

attached pilot assembly.

3.  Remove main burner with attached pilot assembly 

from manifold. Remove all remaining burners.

4.  Remove and discard all main burner orifices in gas 

manifold.

5.  Apply a small amount of pipe dope to each of the 

new orifices and install in the manifold. Make sure 
the orifices are aligned correctly, not cross-threaded 
in the manifold tappings.

 

Use only pipe dope compatible with 
propane gas, even if boiler is to be 
operated on natural gas. Failure to 
comply could result in severe per-
sonal injury, death or substantial 
property damage.

6.   Reinstall main burner with attached pilot assembly 

at location marked on gas manifold. Reinstall all 
remaining burners.

7.  Follow check-out procedure, Section 

, page 33.

#ORRECTLY SIZED

3.  Level and straighten burners.

"URNERS

4.  Reinstall access panel.

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2.00 mm

(Note 1)

2.00 mm

1.90 mm

1.30 mm

(Note 1)

1.30 mm

1.20 mm

Note 1:

For elevations above 2,000 feet, contact your 
local Weil-McLain sales office for details.