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Re: [GMCnet] A/C head pressure [message #324949 is a reply to message #324943]

Sat, 14 October 2017 19:02

JohnL455

Messages: 4447
Registered: October 2006
Location: Woodstock, IL

Karma:

Senior Member

You can find lots of charts for R12 and 134a on line that work off temp/humidity. The rough rule of thumb is that 134a high side will go higher than R12 (134a can get above 300PSI ) and HC12 will be lower than R12 as a guideline.

John Lebetski
Woodstock, IL
77 Eleganza II

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[Message index]

		[GMCnet] A/C head pressure By: Gary Worobec on Sat, 14 October 2017 13:43
		Re: [GMCnet] A/C head pressure By: Matt Colie on Sat, 14 October 2017 15:03
		Re: [GMCnet] A/C head pressure By: Gary Worobec on Sat, 14 October 2017 18:20
		Re: [GMCnet] A/C head pressure By: JohnL455 on Sat, 14 October 2017 19:02
		Re: [GMCnet] A/C head pressure By: Ken Burton on Sat, 14 October 2017 19:41
		Re: [GMCnet] A/C head pressure By: roy1 on Sat, 14 October 2017 21:02
		Re: [GMCnet] A/C head pressure By: Ken Burton on Sun, 15 October 2017 00:17
		Re: [GMCnet] A/C head pressure By: roy1 on Sun, 15 October 2017 12:12

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