RO & purifiers · 7 Aug 2026 · 5 min read
How RO and water-purifier dealers lose margin on filters
Filter changes are simple work. The P&L dies when SKUs leave the van with no job attached.
Small SKU, big leak
Pre-filter, sediment, carbon, membrane — they look similar in a bag. If issue is “by memory,” month-end stock never matches, AMC visits cannot be costed, and you cannot tell which technician burns parts.
Attach every filter to the job you will bill
Konnect inventory lets you reserve or issue the exact SKU against the service job. If you must buy locally, the PO still sits on that job. Margin becomes a number, not a feeling.
AMC renewals need history
The customer does not remember last year’s visit. You must. Photos of the old cartridge, GPS check-in, and a signature are the renewal conversation. WhatsApp has none of that searchable on the customer.
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