Correct.. They fail and fail Wide open i hear..
As far as Herpstats.. Things to be considered. If your not having 3 enclosures stacked then you need a separate tstat for that 3rd enclosure that will be across the room. If I were you id never skimp on a Tstat. Lets say you want to go away for a long weekend, Friday thru Sunday. You cant afford to worry about power going out for 5 min and your Tstat not coming back on.
I say grab a Herpstat 4 for the two enclosures stacked and a Herpstat 2 for the other enclosure across the room. Unlike the EZ there are several safety settings. I have mine so if a problem occurs on a channel ONLY that channel will shut off keeping all other heat sources going. That would mean your RHP or UTH would still be available. If there is a power outage it will come back on just as it was set.. You cant go wrong. Yes more money, but just as I have good brakes and tires on my Dump Truck, I wont sacrifice safety for my pets either.
Remember this is also based on 2 heating units per enclosure, thats double the Tstat cost as using just a RHP. I never asked you what your coolest home temps are? As you know I only use RHP's... If your house is 68 Minimum at night then thats a option for you too, it would save you around $300+ also.
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