I have a incubater (egg) that I wish to modernise I have one in particular that works great (proportional ) however it does not have the wattage needed and I was wondering if it could be upgraded to run 500 watts from 300 watts here is a link http://www.ebay.com.au/itm/330816690998?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l264 Many thanks in advance
