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Xringer · 06-05-17, 09:08 PM

The 'spare parts' A7 that I got from a forum buddy, does not have the external loop.
So, I will need to add on some connectors before it can be hooked up to a remote HX.

I saw those cut-off 1/4" lines, but didn't I guess it didn't click they were double walled.
I assume that was to get the two-walls of isolation to meet 'code' in some locales.
My junk pile contains a couple of Taco circulation pumps.. And, I have a brand new SS HX.

But, right now, my old A7 is still running fine.. It's been running a lot this year,
because of all the cover-cast and cloudy days we've had..
Maybe I'll be needing a new heat pump soon, and I would like to use this HX..

Cheers,
Rich

06-05-17, 09:08 PM	#107
Xringer Lex Parsimoniae Join Date: Feb 2009 Location: Woburn, MA Posts: 4,918 Thanks: 114 Thanked 250 Times in 230 Posts	The 'spare parts' A7 that I got from a forum buddy, does not have the external loop. So, I will need to add on some connectors before it can be hooked up to a remote HX. I saw those cut-off 1/4" lines, but didn't I guess it didn't click they were double walled. I assume that was to get the two-walls of isolation to meet 'code' in some locales. My junk pile contains a couple of Taco circulation pumps.. And, I have a brand new SS HX. But, right now, my old A7 is still running fine.. It's been running a lot this year, because of all the cover-cast and cloudy days we've had.. Maybe I'll be needing a new heat pump soon, and I would like to use this HX.. Cheers, Rich Attached Images __________________ My hobby is installing & trying to repair mini-splits EPA 608 Type 1 Technician Certification ~ 5 lbs or less..