Piping Diagram 2 Oil Tanks. Seh ssh swh and usg. This is less expensive more reliable than steel pipe within pvc conduit.
Wire the tank or systempipe sensor connected to the dhw sensor terminals on the follower boiler addressed as 1. Fill and product piping connections to domestic storage tanks. Threaded joints in the fill piping shall be made fuel oil tight using joint compound conforming to canulc s642 m compounds and tapes for threaded pipe joints or equivalent.
The oil tank vent pipe is connected from the top of the second oil tank the tank fully shown or front most in the oil tank pair in our photo and routed outdoors to a location close to the filler pipe so that the oil tank delivery driver can monitor the fill up.
I also suggest if you are using 2 pipe burner piping you pipe into tank 2 not 1. Copper supply line at the base of the existing tank and disconnect that line. Wire the tank or systempipe sensor connected to the dhw sensor terminals on the follower boiler addressed as 1. Threaded joints in the fill piping shall be made fuel oil tight using joint compound conforming to canulc s642 m compounds and tapes for threaded pipe joints or equivalent.