The product is covered under ‘ISI’ Marking
License No. CM/L - 7059270. of Bureau of Indian
Standards specification IS 3017-1985. These
are designed for use in electric water heaters
& geysers, water baths, oil baths, and
similar other applications where temperature
need to be maintained automatically.
These are tested and approved by testing it in Regional Testing Centre (W.R.) , Ministry of SSI, Government of India and also by Electronics Regional Testing Laboratory (W.R.), Marol, Mumbai.