is there a battery backup
330762
No there is not, at least I dont remember putting in any batteries when I installed it, I guess if you already have a battery backup on your sump pump, you could plug this right into that also, but seeing as it only operates when it calls for hot water I never thought about that part, oh well, still love it. A basic thing I always say is if its just 2 or less people you will save money, if you got three or more you just get hot water any time you want, even if somebody just ran the dishwasher or took a shower....hope this helps, Mike
330763
It does not. You can add a UPS, but you need a hefty one to sustain the current flow. I have a device that will measure wattage if you would like, I can hook it up to my Rinnai?
727425
Yes there is a backup battery. Since I have had no problems with the chair, I am sorry to say I haven't even thought about what I would do if it needed service.
1077
As far as I know there isn't. However, the battery doesn't drain all that fast unless you have a defective model.
1395904
No battery backup. If you experience frequent power failures, you may get a UPS unit as the phone and handsets does not function when no power.
952895
No battery backup is included in this package. Check the website to see if you can purchase one separately.
1327395
No. But it's pretty easy to rig up a battery back up with a small inverter and a car/boat battery.
125364
No. You use the battery that came with your camera.You can also add another (spare) battery for backup.
702702
Yes, it has a battery backup. You will need to install the batteries. It's really a great phone.
206127
No battery backup in mine. However if the power goes out, your furnace won't run it's fan anyway. When the power comes back on, the thermostat will resume as left off. We have ours in a vacation home and the power goes off intermittently throughout the winter. The thermostat is always reset and functioning when I check back in. I really enjoy this thermostat for checking in on the house and the external temperatures remotely, and for turning on the heat before we arrive in the winter.
1440647
No battery backup built in but it uses the battery from the the alarm system. It has retained my zwave configurations after being disconnected. Most of the alarm programming is retained on your alarm system. IP address and such is usually DHCP.
1045165
No there isn't a battery backup. The phone will still work during a power failure; you can dial out & receive calls, but the display will be blank & the other keys will not work until power is restored. Hope that helps!
607339
I have not used with a battery back up system. This is 120v ac only. No option for 12v DC.
1689723
No battery backup. Instructions say battery not needed and settings are saved in memory. Unit works great for me. I love that it's really easy to program and use
936942
It has a battery backup in case the power goes out but not sure how long that will last for
897821
Mine does not. Instructions & diagram cutaway do not show a battery backup. Hope that helps.
1118418
No battery backup. Be sure and have a cellphone as a backup for power outages, Regular phones normally work with power outages, these don't.
684193
Yes, it does have a battery backup. It works great, as i've turned the circuit off several times during our remodel and no power loss to the timer. All the times and programs remain correct.