Rinnai REP199i, how to pipe the recirc?

[kevinvinv]

Installed my REP199in yesterday. Virtually no instructions in the manual about how to run a recirc (with return) line. Do I just Tee them in with some check valves or does this unit have a special way they want a return line plumbed?

Thanks!!!

 

[Fitter30]

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