Hi
Living in the UK and have both 410 and 407 gases to choose from for an intex above ground pool. Plan is to use it April to Early October. Simple question... which gas?
I have these two options I'm looking at...
http://cgi.ebay.co.uk/ws/eBayISAPI.dll? ... K:MEWAX:IT
http://www.heatpumps4pools.com/Duratech ... ump-Heater

thanks.