Oil Furnaces Re: Test Procedure / Checkout Steps 1. Check Oil Supply If the furnace is running, turn the thermostat off and allow the furnace to cool. Turn off power to the furnace. Remove the oil supply line from the nozzle assembly. Gently bend the supply line to be able to spray oil...

Oil Furnace Re: Won't Ignite You arrive to find the flame safeguard control locked-out. You reset it and the burner ignites and burns properly, but after about 30 seconds it locks-out again. Qty Possible Causes: Bad Nozzle Clogged Oil Filter 1 Electrodes Out...

Oil Furnace Re: Starts/Burns Normally but Locks-Out You arrive to find the flame safeguard control locked-out. You reset it and the burner ignites and burns properly, but after about 30 seconds it locks-out again. Qty Possible Causes: 1 Bad Cad Cell Bad Nozzle ...

Oil Furnace Re: 2-Pipe Installation An oil furnace can be installed with either a single oil line or with two oil lines connected to the fuel-oil pump. ► On an installation where the oil can flow from the tank to the pump by gravity (the tank must be located higher than the pump), a one-pipe...