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2000 watt baseboard heater is making loud clicking noise

The electric baseboard heater is mounted onto a wooden wall with four screws near the ceiling. It is connected to a manually-controlled Honeywell line-voltage thermostat. While the heating element is heating up, it generates a loud clicking noise as well as a low buzz, and once it has heated up, the clicking stops. When it is turned off and begins to cool, it starts to click loudly again.

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Re: 2000 watt baseboard heater is making loud clicking...

Most base board heaters installation instructions say to attach to the wall with screws which are slack ( not fully tightened) in order to allow the heater case to expand and contract otherwise you get a clicking noise

Posted on Oct 31, 2008

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Re: 2000 watt baseboard heater is making loud clicking...

You do not give details as to the material the heater is made of.If we presume the backing is made of metal then the heat is deforming the metal and being screwed there is no expansion.Also why is the heater on the ceiling.Dust and other grime will give a smell-keep it clean.
Hope this helps

Posted on Nov 17, 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.

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They 'could' heat a 20 x 20 foot room (with good, tight construction), with a slow temperture rise.

Check the company web site at


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