trap in suction line

[brentplumb]

What is the purpose of the trap in the refer suction line?

[millerman]

Depending on elevation differances with the outdoor unit and indoor unit, the p-trap helps return oil to the compressor.

[Jultzya]

Yeap, what the man said. It's for oil return.

[brentplumb]

Thanks for the help.

[frigetater]

welcome to the board brent