Pressure Transducer thread size. - Diesel Truck Forum -
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post #1 of 4 (permalink) Old 07-20-2009, 09:04 PM Thread Starter
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Pressure Transducer thread size.

Anyone know the thread size/type of the pressure transducer on the high pressure line from A/C compressor to condensor?

Need to add a second one, thinking about just using a T if I can find one. I heard something about boss o-ring or something.
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post #2 of 4 (permalink) Old 07-21-2009, 01:20 AM
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curious why are you adding a second one.
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post #3 of 4 (permalink) Old 07-21-2009, 08:40 PM Thread Starter
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Currently running 2 ECM's. The Ford ECM is running the A/C compressor and the Cummins ECM is running the fan clutch. Right now the fan dosent know to come on when the A/C is on. Thus the pressures are getting to high on the high side and the compressor is kicking off.

Just picked up a Dodge pressure transducer and was wondering if there is a T out there I could use insted of welding on an additional bung for the second tranducer.
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post #4 of 4 (permalink) Old 07-26-2009, 03:21 AM
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I have in the past bought T's to retrofit for 134.

The sensor should be 1/8th o-ring pipe, the tee is generally 3/8's o-ring MxFxThread.

Another way is to use a relay for both inputs so it does not feed back, either turns the fan on.


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