Replacing a Piston w/ TXV and Evacuation

We get a lot of questions about both evacuation procedure and TXVs so last week we produced videos on both topics, including:

• Before and after testing of piston vs. TXV
• Using the Bluvac Measurequick app
• Use of core remover tools for evacuation
• Flowing nitrogen
• creating an external equalizer port and much more

If you haven't hit subscribe on our YouTube channel yet, would you mind taking the time to do it today? We'd greatly appreciate it. You can do that HERE.

 

Leave a Reply

Your email address will not be published. Required fields are marked *

This site uses Akismet to reduce spam. Learn how your comment data is processed.

Related Tech Tips

Fan On or Fan Auto
Full disclosure: as a technician, I was guilty of setting the fan to “on” at the thermostat for many years. I never really thought of any of the negative impacts that could happen. I wanted to circulate the air and keep air moving through the high-efficiency air filter that most of our houses had. Later, I […]
Read more
Pre-Cleaning Copper
Sometimes, we can focus on the more complicated aspects of a system and parts installation—like evacuation and flowing nitrogen—and forget the simple and critical common-sense steps to keep contaminants out of the system. One of these is pre-cleaning the tubing and connection before cutting or unsweating. For example: If you are replacing a coil, use […]
Read more
Testing Electric Heat - A Cautionary Tale
Travel back in time with me to 2001. I was a young tech, proving my salt out there in the big world of commercial RTU maintenance. One of the steps in the Fall PM list was “test aux heat,” and by golly, that's what I was going to do! I was on the roof of […]
Read more
loading

To continue you need to agree to our terms.

The HVAC School site, podcast and daily tech tips
Made possible by Generous support from