Valvecosy

Valvecosy™ - Insulating cover for your hot water service valve. Your hot water service is one of the biggest consumers of energy in the household. Melbourne based test results have found that a hot water service fitted with Valvecosy™ can save up to ~55kWhr of electricity per year.
 
Valvecosy is designed and made in Australia. Super easy installation, clips on in just a few seconds. It's as easy as 1-2-3. No tools are required.
 
More info: https://www.valvecosy.com.au