Burner Oil Connection - Navien LCB700-21RS Installation & Operation Manual

5.4 Burner Oil Connection

The oil pump is supplied for use with a double pipe oil supply system.
The oil pump return line plug is supplied in the boiler accessory pack.
Stage 2
Valve
Pressure
Connection
Pressure
Regulator
(Stage 2)
Pressure
Regulator
(Stage 1)
Oil Return
Line
For use on a single pipe system, remove the by-pass screw.
< Oil Pump >
< Single Pipe System >
Stage 1 Valve
Cartridge
Filter
Oil Nozzle
Connection
Vacuum Meter
Connection
Oil Suction
Line
By-pass screw
Connecting the Oil Supply 33