I am trying to replace my old manual thermostat for a programmable Honeywell RLV 430. I have two base board heaters to hook up to the thermostat but not sure what wires to match up to.

Follow these directions.

http://customer.honeywell.com/techli...0s/69-1855.pdf

I just installed that model yesterday in my condo and I did notice that in the installtion manual it said it would not work for base board heaters. Double check and I believe you may have to return it.

bfile49 read the manual I posted above. The factory says it will work for baseboard heaters. When you know what you are talking about bfile49 post to help people. When you do not know what you are doing like in this example please do not post bad information. It makes it more difficult for everyone here tryimg to help people. Click the link above and read for yourself. The answer is listed under descripion number 1 first paragraph.

The RLV430 thermostat can be used to control an electric heating
system such as a baseboard heater, a radiant floor, a radiant ceiling,

a convector or a fan-forced heater.