placement of fuel filter

clammy

have you tried or thought of using a tiger instead of switching it to a true 2 pipe ,i dislike recirc oil to the tank espically if it's along run and a old tank or worst a above ground also wouldn't hurt with a pre /post relay and a oil delay worked quite a few time for me ,just a thought peace and good luck clammy

bruce_21

I visited a house with a furnace 80 or 90 feet from the tank, maybe 5 or 6 feet above the tank bottom. One pipe system is 1/2 od at the furnace and 3/8 at the tank. It runs thru a weird crawl so I can't see all of what is there. Filter and a check valve and 4 ft of 3/8 from filter to Beckett AF. They have been having trouble with air getting in the line and the burner cutting out. A Webster M pump is on the burner, Webster rep told me it was only good to 83' with 6' lift and 2 pipe 1/2 od all the way. Suntec rep said use 2 pipe 1/2 od with A2VA pump good to over 100' and 8' lift. So I'm thinking I'll go with the Suntec. I wonder where the filter should go. It is now at the unit. I think maybe the existing fuel line is full of crud that never got filtered and led to this situation, and so I should put the filter at the tank to prevent a repeat.
Thanks in advance for any and all comments and advice.

lchmb

I do

I like to have one on each end if possible. I like an FB4 at the tank and a Garber at the unit. Best of both world's.....

bill nye_3

Vacuum

Did you put a vacuum gauge on the oil line near the burner?

You should lose the check valve, it can increase the vacuum by 4" or more. It really is the place to start.

I would want a filter near the tank to protect the oil line. You may need to flush the oil line.

Ron Schroeder

I like a spin-on filter at the burner and a empty canister filter at the tank to act as a catch can on single line systems.

kevin coppinger_4

ditto..

tiger loop...kpc

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bruce_21

I've never used a tiger loop, seen a couple here and there. What are the pluses and minuses? How do they work? What do they do? I had thought to replace the existing line completely with a 2 pipe system and a Suntec A2VA pump but I'm open to new things.

Weezbo

this morning i am going back to a boiler...

on the third floors roof, it has a lift pump with supply and return lines . there is a canister filter in line ahead of the boiler and a filter on the lift pump supply line. this essentially makes the single stage single pipe supply on the boiler experience all kinds of issues.

in this instance an OSV tiger loop combo changing the single line system to a supply and return in and out of the tiger loop combo to the burner is as good as it would get, then the oil would be be filtered coming into the lift pump, the lift would then circ oil up to and back ...the take off from the T in the line would then have the gauge OSV tigerloop combo then burner. that way ...there is no guessing what is happening with the fuel oil supply.

if the gauge upstairs is not showing the correct vacuum then one would check the osv, if that was cool, then the gauges on the lift pump, oil filter, Tank level...easy quick simple.... valves help.:)the oil filter is pumping thru a filter as well on the existing system witin the current Re-circ line....i was told many years ago ,that that was not a Bad "idea " however the thing about doing it that way is it ,the transfer /recirc pump would be pushing oil thru the filter wearing the filter element down and basically Causing problems , better to put the filter ahead of the recirc and ahead of the burner before the osv on the take off.

thing is i haven't seen an older devise that we could purchase at one time for multiple take offs , it rises on a high leg to automatically eliminate air in a pumped system ....i gave up even trying to find one years ago.:( like everything else ,when they work and don't break ,they are taken off the shelves...

clammy

tiger loop

bruce just blow back and hand pump your single line and make sure it's clear toss a firematic a filter and a 1/4 tee for check vacume on the line in the future and tie it into the inlet port of the tiger loop and pipe your burner pump like a two pipe to the tiger loop there pretty easy and have saved me from running new lines on some very old and impossible oil lines peace and good luck clammy

Weezbo

True *~/:)

well said.

bruce_21

Let me get the order of things right with the tiger loop. Filter can at the tank to protect the oil line, 80 feet of 1/2 od pipe, then guage, firomatic OSV, filter, and then to the Tiger Loop, then to the burner as a 2 pipe.