From 2c3e936643b6dd0bb541b70cb19a7fde9507b2ba Mon Sep 17 00:00:00 2001 From: openhp <60161126+openhp@users.noreply.github.com> Date: Wed, 24 Mar 2021 15:21:31 +0000 Subject: [PATCH] Update README.md --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index a98c8e3..9a5abcc 100644 --- a/README.md +++ b/README.md @@ -277,7 +277,7 @@ To get precise temperature readings sensors must be insulated from ambient air t

About water(glycol)<->refrigerant heat exchangers. You can use plate heat exchangers. Pros: best efficiency. Cons: costs money.


-And requires oxygen brazing with "(20%+)silver-copper" solder here. +And oxygen brazing with (20%+)silver+copper solder required here:

You can build your own "tube-in-tube" heat exchangers. It's not hard. Cheaper. The heat exchange efficiency is worse. Very easy soldering.
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