Be aware that they tend to fail shorted - so you'll want a thermal safety cutout for the 120/240. 
As it is a resistive load you won't get too much EMI but I'd still go for a zero crossing device just to be safe.

>>> geekything@gmail.com 21 Aug 07 10:22:54 >>>
Hi all,

I have a project where I'd like to switch a small immersion heating element
(in the prototype it'll be from a "single cup kettle") on and off with a
digital PID and an SSR.

To be frank, I really don't have that much experience with SSRs or switching
AC loads in general. Any pointers other than "don't fully submerse the
element"? ;)

Oh, for reference...the element is marked 125Watts @ 120VAC, 500Watts @
240VAC.

TIA.

-marc


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