Rental Servicing Case 2 : Plan20 1st Services for Ecotech B101 Hot Warm Water Dispenser This is 1st services filter replace for Plan20 RM20/mth Rental Water Dispenser Ecotech B101 Hot Warm Funtions. Replace Step 1 Dollton Sediment Filter. Replace completed. Discarded the old. Rental Servicing Case 1 : Plan35 2nd Services for Yamada 389-20 Hot Warm Cold Water Dispenser Installation Case 1 : Reinstall Dema Transparent Pre-filter Housing