#certification

Tech Tips:

How much PRESSURE is that Recovery Tank Designed For?
Most techs know that you shouldn't fill a recovery tank more than 80% with liquid-based refrigerant. Many know that the WC rating stands for “water capacity.” So, you need to adjust for the density of the actual refrigerant rather than just using 80% of WC. I hope most of you know that the TW marking […]
Read more

Users with Tag #certification

    loading

    To continue you need to agree to our terms.

    The HVAC School site, podcast and tech tips
    made possible by generous support from