Put Your A2L Knowledge to the Test

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Hint: Find the answers here on our Johnstone A2L Home Page

What GWP threshold has the EPA designated to reduce HFCs?*

Refrigerants must have a threshold of 710 GWP to help reduce HFCs.EPA has not designated a GWP threshold to reduce HFCs.Refrigerants must have a threshold of 700 GWP to help reduce HFCs.

Are “best practice” service procedures for R-410A systems acceptable when working with A2L systems?*

No. Although the service procedures for R410A systems are the same for A2L systems, what was considered as “best practice” is now required for A2L systems.Yes, the same “best practice” service procedures for R-410A systems will be acceptable for A2L systems.No, the EPA has now established all new “best practices” service procedures for A2L systems.

What is required to access the new A2L refrigerant cylinders?*

A standard threaded adapter is needed to access A2L refrigerant cylinders.A left-handed (reverse) threaded adapter is needed to access A2L refrigerant cylinders.Both left-handed and standard adapters will access A2L refrigerant cylinders.

Will the new A2L refrigerants need different oil?*

Since R32 has a different viscosity, it will require PVE oil.R32 and R454B have the same operating conditions, so they don’t require different oils.R32 and R454B are both compatible with POE but R32 will use a different viscosity.

Do these refrigerants have Propane or other Hydrocarbons in them?*

No. R32 is a single component refrigerant and R454B is a blend of R32 and R1234yf. Neither of these are hydrocarbons.Yes. R454B is a blend of R32 and R-290.No. R454B is a single component refrigerant and R32 is a blend of R454B and R1234yf. Neither of these are hydrocarbons.

TERMS AND CONDITIONS:

Johnstone Supply, LLC (“Johnstone”) is giving away a total of six (6) Johnstone Supply Gift Cards to two (2) winners per month, one gift card per winner. This sweepstakes (“Sweepstake”) is sponsored by Johnstone Supply, LLC. (“Johnstone”) 11632 NE Ainsworth Circle, Portland, Oregon 97220 and subject to the following rules, terms, and conditions (“Rules”). The Sweepstakes will be conducted during the period beginning January 1, 2025, and ending at 11:59pm PDT on March 31, 2025 (the “Promotion Period”).
Johnstone reserves the right, at its sole discretion, to substitute the prizes with a similar prize of equal or greater value or with the equivalent cash value. The winners may not transfer or substitute the prize or any portion of it. All taxes associated with the receipt or use of the prize and all charges and incidental costs, if any, are the sole responsibility of the winners. Johnstone reserves the right to condition the receipt of the prize on the winner’s and any guest’s execution and confirmation of an affidavit and release form and/or any appropriate tax documentation. Acceptance of a prize constitutes permission to Johnstone to use winners name, likeness and biographical information for marketing purposes without further compensation or right of approval, unless prohibited by law. By their entry into the Sweepstakes, all entrants agree to these Rules and to release and hold harmless Johnstone and its stores, members, affiliates and sponsors from any claim, damage, including personal injury or property damage, cost, and expense (including reasonable attorneys’ fees) arising out of the Sweepstakes or use of the prizes.
TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, PRIZE(S) ARE PROVIDED “AS-IS” WITHOUT ANY WARRANTIES WHATSOVER, EXPRESS OR IMPLIED.JOHNSTONE HEREBY DISCLAIMS, TO THE FULLEST EXTENT ALLOWED UNDER LAW, ALL IMPLIED WARRANTIES IN CONNECTION WITH THE PRIZES, INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
Johnstone will not be liable for (1) false or inaccurate information provided by an entrant, (2) technical errors or failures of any kind, (3) lost or unavailable network connections, website, internet, or ISP availability which may limit one’s ability to enter the Sweepstakes, or (4) inaccurate capture of entry information. Johnstone reserves the right to cancel the Sweepstakes for any reason it deems appropriate, including, without limitation, a force majeure event (act of God; an act of terrorism, war, riot or civil commotion, fire, casualties, equipment failure, boycott; labor dispute, strike or stoppage (including a strike by the members of any union), labor or material shortage, transportation interruption of any kind, an act, regulation, order or request of or by any federal, state or local authority or quasigovernmental entity (whether or not the act, regulation, order or request proves to be invalid); or any other similar or dissimilar act beyond the Johnstone’s control), bug, virus or technical problem that corrupts the administration, security, or proper function of the Sweepstakes. Johnstone reserves the right, at its sole discretion, to disqualify any entrant found tampering with the Sweepstakes or violating these rules. By entering the Sweepstakes, each entrant agrees to abide by and be bound by all decisions of Johnstone, which shall be final and binding in all respects. In case of any dispute regarding the interpretation of these Rules, Johnstone’s interpretation will control over that of any entrant or winner.