I plan on useing Johnson Controls A419 thermostats for my reptile racks and cages, with rheostats. I was wondering if it's absolutely critical to double up the thermostats. I understand the concept of haveing one fail and the other kicking in as a back up, but I need 5 and at roughly $50 wholesale that's quite an exspence. 10 would put me in the hole big time. Let me know what you think.
-Phil
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Question about Johnson Controls thermostats.
Patton
Feb 12, 2006 09:54 PM
Replies (2)
reptilian74
Feb 12, 2006 11:18 PM
Phil,
You don't have to use double t'stats. It is just a precaution that some people like to use. The relay in the Johnson Controls are pretty good relays. I have been using them when everyone was using Ranco t'stats and have yet to have a problem. I believe they are the best on/off t'stats out there. Hope this helps.
Wil Combs
Captive Bred Creations
justcage
Feb 13, 2006 06:01 PM
The dual configuration is just a safety. As long as your not using upwards of 1400 or so watts then I woudl not worry about it. 50 bucks wholesale, thats kind of high
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