PENSOTTI PCH 34B H Cleaning Procedure page 15

Combustion Chamber Cleaning Procedure
9a. Remove the burner assembly. Rotate the left side of the burner assembly a couple of inches away from the main heat exchanger. Now
pull the assembly straight from the boiler. Once free, continue to rotate the burner assembly as you remove it from the boiler.
Warning
Caution: Internal components may be hot!
Version 1 15