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Old 19-02-2014, 16:08   #1
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Replacing refrigerator - how cut old cooling pipe?

Hi,

I am about to replace my broken fridge with a new isotherm. The isotherm comes with connectors at the end of the coolant pipe to attach to the compressor and the other thing. My current setup - it seems all welded together. Gotta cut this. Question is how do I cut this pipe and what precautions do I need to take to avoid whatever nastiness is in there?
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Old 19-02-2014, 16:20   #2
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Re: Replacing refrigerator - how cut old cooling pipe?

You need to recover the freon before cutting the pipe.
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Old 19-02-2014, 19:00   #3
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Re: Replacing refrigerator - how cut old cooling pipe?

Quote:
Originally Posted by watanaka View Post
Hi,

I am about to replace my broken fridge with a new isotherm. The isotherm comes with connectors at the end of the coolant pipe to attach to the compressor and the other thing. My current setup - it seems all welded together. Gotta cut this. Question is how do I cut this pipe and what precautions do I need to take to avoid whatever nastiness is in there?
While To be proper, the refrigerant should be recovered. However the few oz of refrigerant is not that much in the big skeem of things and will cost an arm full to recover.

If it were me without a lot of money and I had a small system without a gauge port. I would buy a ice maker saddle valve and some 1/8" tubing. Attach the valve to the suction side of the compressor ,with the valve in the open (unscrewed) position. Attached tubing to valve and route to the outside, then close the valve which will put a small hole in the copper tube. Open the valve to discharge the gas to outside the boat. Not at all legal BTW, but safe for the folks on the boat. Then just cut and dispose of the old unit.

Of course if the unit is not cooling it might be out of refrigerant anyway.

Anyway, that's what I would do, if I had a small 12V system.
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