Join Date: Sep 2010
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So long as the holding plate is properly evacuated and no dirt or debris has entered the system (even the smallest amount will cause huge headaches later on), there is no reason why you couldn't reuse it so long as it's the right size for your new unit. It shouldn't matter the old refrigerant type as long as you are only reusing the holding plate and you evacuate it properly first. All systems mix manufacturers: most small units use Danfoss compressors, the metering valves, evaporators, condensers, etc usually all come from different companies though. It is important, however, to make sure the holding plate is the correct size. To reuse it, you would need to bring it down to a 10 psig vacuum to make sure all traces of water and non-condensables are out of it before recharging. Unless the new system uses R-134a, you would also need to hire a HVAC technician to recharge it for you as you will not be able to buy any of the other refrigerants on your own. All said and done, probably not worth it especially since some of the newer units come with the components pre-charged and easy-to-use quick connect fittings.
Yu & Frank
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Last edited by StormBay; 10-03-2011 at 01:02 AM.