Gas and Oil Home Heating Furnaces - fernco coupling allowed in intake PVC for hi eff furnace?

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rjanscha
11-06-07, 11:43 AM
in order to remove the intake PVC from the intake air manifold on this high eff condensing furnace, I may need separate the PVC piping. Is it permissible or advisable to re-attach the cut portion of the PVC with a Fernco type rubber fitting, or must I reattach with a glued (welded) PVC connector?

thanks

Broods
11-06-07, 08:04 PM
Provided you are not restricting air flow for the intake for your furnace it won't make a difference in operation. Check with local codes to be sure it's not a violation. This is allowed where I live on the intake, but definately not on the exhaust.
mattison
11-07-07, 05:23 AM
I would just put in a union.