Question about Fahrenheat (FFH1614) Wall Mounted Panel Heater

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Wiring my 240 V wall mount heater

Do I use 2 wire (with ground) or 3 wire (with ground)?  If 3 wire, what do I do with the white wire?

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Re: wiring my 240 V wall mount heater

Your question is kind of vague, but the 240v goes to the heating element, if the heater has a fan, it may be a 110v, so the white is common and should be wired as such. The heater should have a wiring diagram on it.

Posted on Nov 05, 2007

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Hello Fixya Guru ! I am in the process of installing several Marley PLF series 2000 watt/ 240 volt electric "Hydronic" baseboard heaters. I am using 10/3 bx with a 30amp breaker. To my...

You are correct that these heaters use a two-wire 240 volt supply, and the neutral is not needed.

2000 watts = 240 volt x Amps ==> Amps = 8.3 amps

30 amps x .8 safety factor = 24 amps

24 amps / 8.3 amps = 2.9 heaters per 30 amp breaker (3 heaters should be okay)

More info, pls let me know.


P.S. Where does the 2880-watt number come from ?

P.P.S. There has to be a ground bus-bar in the panel -- if it's a main panel (not a sub-panel) the ground buss and the neutral buss are connected in the panel. Could you clarify what you have in the panel.

Jan 11, 2011 | Fahrenheat Electric Convector Baseboard...

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I am trying to replace a electric baseboard heater that is 220 volts and I am unsure about the wiring. the heater has a red and black wire and there is a white and black wire coming out of the wall.How do...

if ur are replacing the heater and it was originally 220/240 ur wiring should b ok but to b sure trace the line wire back to breaker panel and look at breaker the white and the black should b hooked up to separate breakers if the white is hooked up to a ground bar usually on the inside side of the panel and the black hooked up to breaker ur line is 110/120 and will cause problems when hooked up. if the lines r 220/240 than red can hook up to white and black to black

Sep 25, 2009 | QMark FBE15002 electric baseboard heater...

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How to hard wire 240 volt wall heater

Black is 120v hot
Red is 120v hot
Black and Red go to opposite legs to get 240v between them.
White is 0v neutral
copper is Ground

Dec 27, 2008 | Fahrenheat (FFH1614) Wall Mounted Panel...

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First this diy stuff with electricity is scary. You describe the wiring as 3 wire 110, I understand the heater to be 240, the heat side of what? The heat side you say you only had the ground and a red.

You have to be more clear about the heater connections, what voltage, what amperage, what number of conductors you have, what distance to the breaker, what the breaker size is, and much more to do this correctly. As to it being wired with 12/2 that is possible if it were 110 volt and required that much amperage capability, along with a chassis ground, making the wire 12/2 with ground, but that is not 240 that is 120 volt.

Write me at or look me up at and we will go from there.

But wiring up heaters when there are this many questions is leaving a huge chance for something to go wrong.

Write me back or hire an electrician, one way or the other, it needs to be safe, tested, and checked when completed.

Will or wbwill

Oct 06, 2008 | Fahrenheat Electric Convector Baseboard...

3 Answers

How to wire 1 plf 1504d heater

I have the solution, finally after looking for 2 days.

First off, I couldn't quite put it all together based on what I was reading. I finally tracked down the Fahrenheat web site ( And called tech support (800) 452-4179.

To wire 2 BB units to 1 tstat.

1. Use #14 wire for 0-12 amps, #12 wire for 12.1 to 16 amps and #10 wire for 16.1 to 24 amps.

2. I have a 12/2 wire going from the tstat to BB#1 and another 12/2 wire going from BB1 to BB2.

3. Onthe left side of the heater, you will have 2 sets of black wires tied together with a nut (on right side it's 2 sets of Black/Red wires). You can use either side of the heater. For the purpose of explaining this, lets use the left side, 2 sets of black wires.

4. Undo one of the sets of black wires (it doesn't matter witch), the other set will be left alone.

5. Take the black wire coming from the tstat and tie it into one of the black wires from the heater and the black wire going to the second BB unit. So you will have those 3 wires tied together with a nut at the 1st BB unit.

6. Take the white wire coming from the tstat and tie it into the other black wire from the heater and the white wire going to the other BB heater. Again, you will have 3 wire tied together here.

7. At the second BB unit, tie the black wire coming from the 1st unit to one of the black wires in one of those 2 sets of black wires. Again, only undo 1 set of wires at the 2nd unit, leave the other one alone. Tie the white wire coming from the 1st unit to the other black wire.

8. Make sure ground wire in grounded at the tstat and at both BB units.

Hope this helps...... If I was less clear than I hoped, call tech support and they will walk you thru it....


Dec 08, 2007 | Fahrenheat Electric Convector Baseboard...

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Connecting 240 volt singer baseboard heater

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single phase 60 HZ
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Nov 28, 2007 | Heaters

1 Answer

Cadet wall mount and thermostat

your wiring is all wrong. for a 240 heater a 20/20 tandem breaker will not work with a 240 heater. you need a 20 amp two pole breaker. the two wires at the heater need to be connected to the line. you probably have two black wires at the heater. one connects to the white romex which should be taped black, and the other romex black connects to the other black wire. at the panel one white goes to one side of the breaker and the black to the other. the bare ground goes to the neutral bar.

Oct 27, 2007 | Cadet Manufacturing 67507 Heater

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Install and hot wire heater

You can be assured that the element is 240 volt. The fan motor is also rated at 240 volt. the wires you have black - black are the connections you make to the line. Use a 12/2 with ground. Use a double pole 20 breaker in your panelbox. The green wire is the equipment ground - connect this to the bare wire from the 12/2. On the 12/2 cable - there will be two colors, one black and one white. Wrap a couple of turns of black tape on the white wire both at the heater location and on the white in the panelbox. connect the 12/2 to your 2 pole breaker, the black wire and the taped white to the breaker.

Sep 05, 2007 | Fahrenheat FFH1615 Heater

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