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Old 10-06-2014, 01:15 PM   #4490
Senior Member
Join Date: Apr 2004
Posts: 500
Hi if i want to change my system 4 unit. Can i keep the gas and water pipings and cables and just change the indoor and outdoor units as all items are inside trunking and some concealed. About 14 yrs old already.
limchyehuat is offline