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Re: need to learn about 1234yf pressures
Posted to HVAC Forum on 6/21/2021 1 Reply

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See attached pressure/temperature chart [1234yf vs 134a]

The pressure required for a 32 degree F boiling point is the critical issue.

1234yf requires a 31 PSI for a 32 degree boiling point

134a... Login to read more.

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