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International Automotive Technicians Network
Re: Robinair 34788 Problem
Posted to HVAC Forum on 6/19/2020


Those filter O-rings are temperamental. You really have to pay attention to them before installation. They swell up and will not seal/seat when the filter is screwed on. We keep the filters in stock, but we check each one when we get one for stock beca... Login to read more.