Does it need 12V to operate? I don't need it to be illuminated, just to measure temp.
1668735
12 volt power is only needed for illumination. It will still read temperature without a power supply.
1668736
as long as it is the mechanical style gauge you will not need 12v to operate.
1668737
The 12 volts is only for the light and not required for the temp gauge to operate. However you will have to find a place to screw in the temp sensor which will need to be exposed to the water/coolant....
1668738
Only needs 12 volts for lightning. Will read temperature without the 12 volts.
1001142
No, you plug it in - Regular 110/120VNo place for batteries - supposed to draw minimal power (equivalent to 30W light bulb??). Unit works great!
1697601
this unit requires 240 volts, which requires running a dedicated circuit from electrical panel and a line voltage thermostat to control temperature. I strongly recommend that this only be installed by a qualified electrician.
880431
Mine did not come with a power supply. I haven't tried 12v, but it works with a 9v battery.
1563916
12v This is a good unit!!!! Take care of it, and it will take care of you!! 10 out of 10.....
2218236
yes the unit shows the actual voltage of the battery.You just need to make sure you use at least 16 gauge wire going to the gauge.If in a camper place it where you can't see it at night . This gauge puts out some light.
1670891
Mine read just at 12V when received so I didn't charge any more before installing in alarm system. It is working fine.
2212607
It doesn't appear to use much, or any power, when not sensing voltage. Probably like an LCD clock. Mine has run for a couple of years now without changing the battery.
1180603
it does not need electricity, it is gas. if it has an optional fan it will need 110v. fan is not necessary for normal operation.
908410
No, it requires a special 12 volt battery which costs about $4.00. A battery is included with the unit though
1163071
No batteries needed and yes it is accurate. I have a digital one as well and they both read the same temp
944022
This particular model is 120v, it came with a short cord which I easily replaced with a longer one with. The colors are remotely adjusted to specific colors or shade combination. You have to be directly in front of the unit to change the colors with the included remote.I've seen a similar model and design that is 12v only, but the luminance may not be as bright.I use mine as an up lighting source in my back yard.
1899012
Short answer, yes. Just wire it up like how you would a light bulb; make sure to add a resistor, this thing only take 12volts DC only.
704960
You can run this without a 24VDC source. I only have heat, you do not need air conditioning in the U.P., so I only needed three wires. I do all of the control in my VeraLite so I do not use the features of the thermostat. I find that the temperature signal from the thermostat is not reliable in the VeraLite but the system controls perfectly so I do not care. Batteries last six months or so.
659990
The unit comes with the sensor only (with wires) . You will need to wire the 110V conection and the output. I used it to control an external relay to prevent damage to the internal one (can handle 10A max)
922375
Not that i know of, unless you can put a in line 120v. thermostat.The only way that i know of is to bring your feed ( power) to your stat. then to your heater.It's best to have it's own feed (breaker)
565502
Yes, 12 volts. It's LED, so make sure the positive and negative wires are correct.