Can't install widget

I keep trying to add the text below to a page but it just doesn’t work. It used to work fine on a different theme. Please can someone tell me why this does not work with Tempura??

<!– BEGIN SOLAR GUIDE CALCULATOR WIDGET –>
<div id=’solarguidewidget’ style=’background-image: url(“http://www.solarguide.co.uk/images/iframe-preload-anim.gif&#8221;); min-width:100px; min-height:150px; background-repeat: no-repeat; background-position: 275px 120px;’>
<div id=’solarguidecalculator’> </div>
<div id=’solarguidecalculatorcredit’><p style=’font-size: 10px;’>Solar PV calculator provided courtesy of Solar Guide.</p></div>
<script type=’text/javascript’ src=’http://www.solarguide.co.uk/js/includesolarcalc.php?user=ccd1b578-2142-11e4-a2ec-06670fcb95c4&width=550′></script&gt;
<!– General Notes:
Please do not change any part of this widget – doing so may prevent it from working properly and of course invalidate your free license.
Putting this widget on another site? Just get another free license here: http://www.solarguide.co.uk/solar-calculator-yoursite
–>
</div>
<!– END SOLAR GUIDE CALCULATOR WIDGET –>