Technical data

12 Installation, Operation, And Service Instructions
Figure 6 –Boiler (OWB-35 & OWB-50)
OWB series boilers are three pass Scotch Marine design with fully water backed transfer
surfaces. Boilers are designed for use in forced hot water heating systems. Heating is supplied
by a Waste Oil Burner that burns all petroleum products any weight combination up to SAE 90W
as well as fuel oils. Boiler–Burner units operate with no less than 0.01WC or greater over fire and
may be vented using a conventional chimney.
Omni 3 Pass Design
Third Pass
Second Pass
First Pass
Water Flows
Through all Heat
Transfer
Elements