Looks like a deal and it does not require any soldering.
http://www.ebay.com.au/itm/Digital-Refrigerator-Thermostat-Aquarium-Greenhouse-Temperature-Controller-New-/110947463395?pt=AU_Building_Materials&hash=item19d4fbf0e3&_uhb=1
http://www.ebay.com.au/itm/Digital-Thermostat-Temperature-Controller-for-Aquarium-Greenhouse-0-to-38-degree-/200788238968?pt=AU_Building_Materials&hash=item2ebfe96278&_uhb=1
http://www.ebay.com.au/itm/INew-ntelligent-Digital-Temperature-Control-Controller-Digital-Thermometer-/181051431345?pt=AU_B_I_Electrical_Test_Equipment&hash=item2a278199b1&_uhb=1
http://www.ebay.com.au/itm/New-Intelligent-Digital-Temperature-Thermometer-Thermostat-Controller-Control-/170966340805?pt=AU_B_I_Electrical_Test_Equipment&hash=item27ce6354c5&_uhb=1
http://www.ebay.com.au/itm/Digital-Refrigerator-Thermostat-Aquarium-Greenhouse-Temperature-Controller-New-/110947463395?pt=AU_Building_Materials&hash=item19d4fbf0e3&_uhb=1
http://www.ebay.com.au/itm/Digital-Thermostat-Temperature-Controller-for-Aquarium-Greenhouse-0-to-38-degree-/200788238968?pt=AU_Building_Materials&hash=item2ebfe96278&_uhb=1
http://www.ebay.com.au/itm/INew-ntelligent-Digital-Temperature-Control-Controller-Digital-Thermometer-/181051431345?pt=AU_B_I_Electrical_Test_Equipment&hash=item2a278199b1&_uhb=1
http://www.ebay.com.au/itm/New-Intelligent-Digital-Temperature-Thermometer-Thermostat-Controller-Control-/170966340805?pt=AU_B_I_Electrical_Test_Equipment&hash=item27ce6354c5&_uhb=1