Burnham Series 8H/8HE Boiler Instruccion De Instalación

  General.  Inspection and service must be conducted 

annually. Turn off electrical power and gas supply while 

conducting service or maintenance. Follow instructions 

TO TURN OFF GAS TO APPLIANCE. See Lighting/

Operating Instructions on inside of Front Removable 

Door.

  Maintenance of Low Water Cut-off (if used). Follow 

instruction manual provided with low water cut off.  

If model 805, see Installation and Operating manual 

for Hydrostat 3200, packed in envelope taped to top 

of boiler for packaged boilers and in parts and control 

carton for KD boilers for maintenance.

  Vent System. Check for: 

1.  obstructions 
2.  accumulations of soot 
3.  deterioration of vent pipe or vent accessories due to 

condensation or other reasons

4.  proper support—no sags, particularly in horizontal 

runs 

5.  tightness of joints. Remove all accumulations of 

soot with wire brush and vacuum

 

Remove all obstructions. Replace all deteriorated parts 

and support properly. Seal all joints. 

  Remove Main Burners for cleaning, changing orifice 

plugs, or repairs. 
1.  Shut down gas boiler in accordance with Lighting/

Operating Instructions on inside of Front Removable 

Door. Close Manual Shut-off Valve.

2.  Remove Front Removable Door. Raise Lower Front 

Tie Bar.

3.  Disconnect ignition system. 
4.  Remove burner access panel(s). 
5.  Mark location of Main Burner with Pilot Bracket on 

manifold. 

6.  Remove hitch pin clips from Main Burner Orifices. 
7.  Hold Main Burner on throat. Lift slightly to raise 

rear of burner. Push to rear of boiler until burner 

clears Main Burner Orifice. Lift burners out.

8.  Check burners to be sure they do not contain foreign 

matter or restrictions. Clean burners with a soft 

bristle brush, blow any dirt out with compressed air 

or use a vacuum cleaner. See Figure 48. 

  Clean Boiler Flueways.  See Figure 48.

1.  Shut down gas boiler in accordance with Lighting/

Operating Instructions on inside of Front Removable 

Door.  Close Manual Shut-off Valve.

2.  Disconnect vent system. Remove Draft Hood.
3.  Remove Jacket Top Panel.
4.  Remove Canopy from top of boiler. 
5.  Remove flue baffles. Refer to Figure 48 for 

instructions on how to remove baffles from 

flueways.  Remove any accumulated scale or soot.

6.  Thoroughly clean flueways with flue brush, 

removing all scale and soot. See Figure 48.

7.  Clean boiler heating surface accessible from 

combustion chamber with straight handle wire 

brush.

8.  Reinsert baffles into flueways by reversing steps 

given in Figure 48.  Tabs at top of each baffle should 

rest on top of flue pins.