Nordyne Forced Air Gas and Oil Furnace M1M - Manual (Page 18)

18
Figure 27. Typical Oil Piping for Above Ground (Single-Line) Supply
If fuel pump fails to lift oil, check for air port plug and repeat priming procedure. leaks and tighten all fuel fittings. Re- prime fuel pump by injecting fuel oil into optional (top) return port. Replace return
R
Top of Tank
8 ft.
Shut-off Valve
Optional Fuel Filter
Alternate Fuel Line Entry
Optional Return
Pressure Gauge Port Nozzle Port
Inlet Port Air-Bleed Valve
Return Port & Internal By-Pass
Optional Inlet
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Control Panel
Oil Furnace
On-Off-Fan Switch
Floor Cavity
Oil-Gun Burner
Floor
Flue Gas Sampling Hole
Drain
End of Oil Supply Line 3" to 5" Above Bottom Drain
Guide pipe
Gauge
Vent with Cap
2" Duplex Bushing
2" Fill
3/8" Oil Supply Line
Note: Additional venting may be required if tank is filled rapidly.