Removing Oil Fired Water Tank and Capping feed line

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Old 02-19-18, 06:20 AM
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Removing Oil Fired Water Tank and Capping feed line

I removed the oil fired hot water tank and replaced it with an electric.
I was not sure how to cap off the feed line to the burner, so I just removed the burner from the tank and left the line attached.
The feed line comes from the oil tank to the furnace burner and then T's off to a line that goes to the Water Tank Burner.
I would like to remove the line that splits from the furnace burner.
Not sure what to buy or where to buy it.
See picture: I would like to remove the fitting for the top line and replace that with a cap?
Would it need a seal/washer/gasket?
Thanks for any help.

Matthew


There is a tap on my tank outlet; would close this while installing cap.
Would I have to bleed the system after removing the line and capping it off?
 
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Old 02-19-18, 06:40 AM
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What I would do is remove that "T" fitting and replace with an elbow fitting (90 degree elbow NPT X flare). Flare fitting on copper tubing from tank can be reused (no sealant). Pipe thread into pump will need pipe sealant rated for use with fuel oil (no teflon tape). Any good hardware store should have the fitting you need. Steve
 
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Old 02-19-18, 07:48 AM
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This is what we would use here instead of the tee.Firomatic 12230 Heavy Duty Oil Fusible Burner Valve, 3/8 Inch Flared x 1/4 Inch MNPT, Brass A brass flare plug for the unused line. Might need to bleed ,no big deal.Should have a little play at the fuel line and be careful not to kink.
 
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Old 02-19-18, 09:57 AM
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Why not just install a Brass flare fitting cap?
https://www.lowes.com/pd/BrassCraft-...tting/50380804
Geo
 
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Old 02-19-18, 10:35 AM
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By code you need a firomatic before your pump at the burner.

Remove the tee and install the firomatic that guyold recommended in post #3. You should be able to pick up any hardware or box store.

Your line should be long enough and it's the same flair fitting so you won't have to do anything but unscrew the tee and with pipe dope install the firomatic. Attach the oil and bleed and put on line.

Don't forget to shut oil off at tank when doing this.
 
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Old 02-19-18, 07:09 PM
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Thanks for all the help
I think I'll go with the simplest solution suggested by Geochurchi and install a cap.
 
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