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lostdog 08-30-2010 05:27 PM

Adding a Digital Thermostat
 

Hi,
I have a electric wall heater model R1500T2A installed in a bathroom in my ManCave. It currently has a knob type thermostat that is not very accurate. I use this room to brew beer and want to add a digital thermostat to it so I can maintain a good brewing temperature. Since the current thermostat has the 120v wires running into it I need to know where I can find a digital thermostat that will work with this model. Any advice will be greatly appreciated.

lamon2524 09-01-2010 12:35 AM

Just use what wiring you already have and add a transformer from 120v to 24 volt t-stat. Very inexpensive, check KVA on 24 volt t-stat for rating, and if you have to just buy a wall plate exstension to put the small tranformer in.

beenthere 09-01-2010 03:30 AM

They line voltage digital thermostats, that are alot more accurate then that old by metal thermostat that you currently have.

lamon2524 09-01-2010 04:04 AM

Quote:

Originally Posted by beenthere (Post 494105)
They line voltage digital thermostats, that are alot more accurate then that old by metal thermostat that you currently have.

Where you been? When have you seen the old Bi-metal lately. Low voltage uses OHMS that directly relates to temp.

Sorry BeenThere I thought you were cutting me. I'm a 30 year retired HVAC Tech. from a very large school system in AL. He was just asking for a cheap accurate way to upgrade.

beenthere 09-01-2010 04:11 AM

No. Lots of bi metal line voltage stats are still sold today.

No real benefit in adding a transformer and relay system to use a low voltage thermostat, over installing a digital line voltage thermostat. Cost comes out to about the same for parts/material.

Line voltage digital thermostat is easier to install, and takes less time.


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