Sanitiser?

Hardware Heatpump
1

I’ve been sent this link about sanitiser….never heard of it being recommended for heat pumps before?

https://www.sentinelprotects.com/uk-en/catalog/heat-pump-solutions/air-source/r700-sanitiser-and-biocide/groups/g+c+p+view

2

Octopus adding this to my heatpump after instillation