Gas Heating parts Gas Appliance spares
Brivis Tek 321 controller mk2 - changeover
2 versions early model Mk1 has a single led & the Mk 2 has 4 red & 4 green
see conditions for change over system- you need to send your old one in or drop off. we generally can get the reco back within 5 days for mail in & out. Walk in we have them ready to go on the shelf
all come with 12 months warranty & better parts installed to help stop the fault re occuring
http://www.gasstop.com.au/product/279/terms-conditions-for-change-over-modules-return-surcharge