JPLomeo Posted June 21, 2020 Report Share Posted June 21, 2020 I'm starting to see HRV (Heat Recovery Ventilators) units installed in attics with only two, clear PVC drain lines coming out of them ( I assume a primary and and secondary drain) but no Safety drip pan below the unit? Here in AZ our climate is mostly dry but during summer Monsoon rains I bet those HRV's get a work out removing moisture. Would it not be a best practice to have a drain pan under them in case of leaks from the condensation removal system? Thanks a bunch JP Quote Link to comment Share on other sites More sharing options...
Jim Katen Posted June 22, 2020 Report Share Posted June 22, 2020 Do they not have a water level monitoring device that shuts them down if the drains fail? Quote Link to comment Share on other sites More sharing options...
JPLomeo Posted June 22, 2020 Author Report Share Posted June 22, 2020 Jim, I have no idea. I disclaim them as not part of the inspection and often cannot even get near them, but seems to me that any water condensing unit located above a finished ceiling should be additionally equipped with a pan (and drain pipe) under it. Monitoring devices or cut off switches can and do malfunction-then you got water damage. Quote Link to comment Share on other sites More sharing options...
Jim Katen Posted June 23, 2020 Report Share Posted June 23, 2020 It's a good point. I've seen lots of them here and I can't recall ever seeing one with a pan under the unit. I've never seen one leaking - but that's probably because nearly every one that I see has stopped working. Quote Link to comment Share on other sites More sharing options...
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