AhaBulb: Stuff Everyone Should Know · ahabulb.com/epa-low-pressure-nonmajor-0-psig
Non-major repair on a low-pressure appliance that won't be evacuated to atmosphere afterward. Pressurize to what before opening?
- No higher than 0 psig
- 15 psig
- 25 mm Hg absolute
🔒 The answer is for AhaBulb members. Members see the answer, why it's right and the official sources for every card of Stuff Every HVAC Tech Should Know, plus timed practice exams.
The first 50 cards of every test are free to play.
Like this card?
References
- 40 CFR 82.156 Required practices (Cornell LII) www.law.cornell.edu/cfr/text/40/82.156 Checked 2026-10-10.
- 40 CFR 82.156 Required practices (Cornell LII) www.law.cornell.edu/cfr/text/40/82.156 Checked 2026-10-10.
- 40 CFR 82.156 Required practices (Cornell LII) www.law.cornell.edu/cfr/text/40/82.156 Checked 2026-10-10.
Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.
More stuff everyone should know
Trades & ShopNon-major repair on a medium-, high- or very high-pressure appliance that won't be evacuated to atmosphere afterward. Evacuate to?Trades & ShopLow-pressure appliance, refrigerant boils at or below 85 F. Which pressurizing method may you not use?Trades & ShopA low-pressure refrigerant has liquid saturation pressure below what value at 104 F?
That's stuff everyone should know.