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What are the best sources for dry nitrogen/R22?
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craigslist.
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any HVAC supplier will sell you a tank for 200ish, and a regulator for 50 ish... craigslist sells tanks with regulators for 50ish..
you can also use CO2 which comes in a smaller lighter tank with a MUCH larger useage at lowes or home depot for 90ish. you would then have to rig an air chuck adapter to hook up your manifold to.
you can also use one of those helium baloon tanks, but one 30.00 tank will just about be empty after one use.
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Originally Posted by zeke
What are the best sources for dry nitrogen/R22?
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Your local Welding supply shop.
Ebay for R22 in 15 oz can...
which I am still trying to figure a way to split three ways evenly... I guess an accurate scale would be good too.. just like you would do the refrigerant if you used a big tank to install it...