Copper Big

Copper Big
Copper Big
Do I really need new copper pipes for a new AC?

I am getting a new AC (Lennox XC13) and of course it is built for R410A . I have existing copper line but it's size left the sales guy stating that I need to replace the copper and make it bigger. Evidently 3/4 is too small and would make the new Lennox work less efficient. Does anyone know if I am being hosed?

this sounds right, and if it's a different refrigerant, it needs a different oil, so no contamination takes place. replacing all the lines is a good idea. keep the pipe and get the money yourself, it's like 2.80 a pound!



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