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Thread: R22 versus R404A hot gas pipe
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14-10-2012, 07:04 PM #1
R22 versus R404A hot gas pipe
We know liquid lines need to be bigger with R404A compared to R22 for the same duty, but is there also more puff down the hot gas/discharge pipe work too?
How does R404A compare to R407F?
Have heat recovery install and i suspect a bit more flow down the pipes to and from the reco will help keep the oil moving.
Mostly found in Oxfordshire, UK :)