Flush the Tank. Remove the vacuum hose from the TPR port and flush the tank. Pro tip: Most of the sediment will flush out through the full-port valve. To remove the rest, open the cold water valve at the top of the tank in short bursts to blast it toward the drain. Let the water flow until it runs clear. Step 7.
To reset the Ariston Thermo BCH 80 L water heater, follow these steps: 1. Unplug the water heater and turn off the hydraulic supply. 2. Open the hot water valve to allow air in. 3. Open the drain valve on the safety unit to drain any remaining water. 4. Clean the external parts of the tank with a damp cloth and suitable cleaning agents. 5.
Instant water heater : 3,3kw x 19/60 x S$0.2996 = S$0.313 Storage water heater : 1.5kw x 70/60 x S$0.2996 = S$0.524. The above calculation does not take into consideration of other factors such as capacity of water heater, frequency of bath per user and original temperature of water in the tank.
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