Amtrol OWB Series - Manual (Page 33)

Burner Mounting
BOILER ASSEMBLY & WIRING
NOTE:
When the burner is field installed the installer must fill in the space between the burner
blast tube and the insulation block on the inside of the burner door with refractory mix
provided.
Figure 29. OWB-35 and OWB-50 Burner Mounting & Boiler Door Detail
Figure 30. OWB-9, OWB-15 and OWB-25 Burner Mounting & Boiler Door Detail
Installation, Operation, And Service Instructions
33