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Sharing oil lines
Servicewiz_3 Member Posts: 55
in Oil Heating
A while ago, I had received a drawing on how to share oil lines on (2) 2pipe burners. Could I get that drawing? Thanks
You should not share oil lines on a two pipe system if there is any lift in the piping system (oil level below the level of the burner pumps). If the oil level is above the burner pumps you can share oil lines in most cases.
If the lines are shared with the oil level below the pumps the burners will fight each other for oil. And check valves will not fix this.
You can use two suction lines and a common return line with two burners1
Suntec, or Webster's website has instructions, and piping diagrams.
What are the particulars of the job.
Depending on that, most residential setups you can do one pipe, to each burner. Avoid return lines, skip Tiger Loop if you can.steve0
EdTheHeaterMan Member Posts: 5,598https://www.websterfuelpumps.com/pump_docs/LL4640.pdf. Sharing oil lines starts on page 4
Suntec does not recommend sharing fuel lines with multiple pumps (burners). http://www.etscompany.com/suntec_pdf/Installation and Service Manual - Section III.pdf in this booklet starting on page III-10 there is a section called
that gives you recommendations for pipe sizing.
Further on page III-11 it covers two pipe installations.
Edward F Young. Retired HVAC ContractorSpecialized in Residential Oil Burner and Hydronics0
If the tank is lower on a one pipe system , I would use one tiger loop on the hot water heater just to keep the line primed all year long . They takes out the guess work out of the equation ...I have enough experience to know , that I dont know it all0
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