1. Installation, Service & Maintenance.
2. Installation of the water softener.
3. Installation of water filters.
4. Installation of Heat Pump.
5. Service of softener & cartridges. ( Like... Cartridge Cleaning & Container Cleaning )
6. Service of Heat Pump.
7. Reading / understand & Writing English & local language.
8. He should know about mobile operating & WhatsApp operating.
9. Plumber should have a field job.
10. understanding of the water pressure, plumbing fittings, PRV, NRV, Pump