Burnham 1100-H4 User Manual

4.  All above ground gas piping upstream from manual 

shut-off valve must be electrically continuous and 

bonded to a grounding electrode. Do not use gas 

piping as grounding electrode. Refer to National 

Electrical Code, NFPA 70.

  Pressure test. The boiler and its gas connection must 

be leak tested before placing boiler in operation.
1.  Protect boiler gas control valve. For all testing over 

½ psig, boiler and its individual shutoff valve must 

be disconnected from gas supply piping. For testing 

at ½ psig or less, isolate boiler from gas supply 

piping by closing boiler’s individual manual shutoff 

valve.

2.  Locate leaks using approved combustible gas 

detector, soap and water, or similar nonflammable 

solution.