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10-25-2009, 07:11 PM
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#1
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Newbie
Join Date: Oct 2009
Posts: 12
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minimum length of male you can solder
for 3/4 inch pipe,the fittings taking 7/8 of an inch,whats the minimum i can cut pipe to solder without ruining the last weld. 2.500 inch???
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10-25-2009, 07:39 PM
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#2
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Master Plumber/Mechanical
Join Date: Feb 2009
Posts: 997
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I am not understanding
but
You could hold the fitting as to where it is going to be and make the pipe and cut it to length
__________________
John Wayne once said "Life is tough and it is even tougher if you are stupid"
Arcoaire and Trane Dealer
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10-25-2009, 07:52 PM
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#3
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Member
Join Date: Sep 2009
Location: Kane county,Illinois
Posts: 253
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When soldering an assembly,it's best to solder a whole bunch at one time.The heat from the last fitting will transfer to the next and save you time. Just touch the solder to the older (still hot joints) to make sure that they are full.
The solder will flow into a very small space.Fittings can be placed 'back to back' and the solder will still fill the joint,
Soldering one fitting at a time usually leads to time wasted cleaning scorched flux and filing down solder drips.
Also if you are not using MAP gas--Go get some!!--MIKE--
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10-25-2009, 07:54 PM
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#4
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Newbie
Join Date: Oct 2009
Posts: 12
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if each(female)fitting takes 7/8 inch,and i cut pipe 2.500 inches that leaves .750 inch between fittings, can i weld each side that close without wrecking previous weld??
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10-25-2009, 08:08 PM
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#5
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Member
Join Date: Sep 2009
Location: Kane county,Illinois
Posts: 253
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yes-solder them both at the same time. Do not wipe your joints after soldering until they are cool.
If the joints are not soldered at the same time the heating of the second joint may soften the original one--If so then just brush on a little fresh flux and touch it with a bit more solder.-MIKE-
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10-25-2009, 08:09 PM
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#6
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Residential Contractor
Join Date: Oct 2009
Location: Chicago Suburbs
Posts: 121
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Oh Mike is giving you the exact same advice I would give you.
Follow his lead.
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10-25-2009, 08:15 PM
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#7
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Member
Join Date: Sep 2009
Location: Kane county,Illinois
Posts: 253
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HaHa-RS I've beaten you to another puzzle.
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10-25-2009, 08:19 PM
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#8
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Newbie
Join Date: Oct 2009
Posts: 12
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thanks for the second time today,mike on a seporate post i seen you were interested in what i am in the process of doing, hooking up an outdoor wood boiler system. 200 gallon system, 2 hotwater and two furnaces.
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10-25-2009, 08:27 PM
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#9
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Residential Contractor
Join Date: Oct 2009
Location: Chicago Suburbs
Posts: 121
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Mike is awesome! I get the next electrical question, unless I just get too darned tired 
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10-25-2009, 09:40 PM
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#10
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Residential Remodeler
Join Date: Oct 2009
Location: Wayne, PA
Posts: 44
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If you are soldering 3/4" fittings, definitely use a MAP gas, or spring for an acetylene tank (often found on craigslist for under $100).
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10-25-2009, 09:52 PM
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#11
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Member
Join Date: Sep 2009
Location: Kane county,Illinois
Posts: 253
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I to have hot water heat,and I actually heat the house mainly with my wood stove.
An out door boiler would be a dream.
Stoke her up and evenly heat the house. Mess outside. Nice.MIKE
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10-25-2009, 09:56 PM
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#12
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Member
Join Date: Sep 2009
Location: Kane county,Illinois
Posts: 253
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Pictures would be great!(if you can figure out how to do it)(I haven't)-MIKE-
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