No Hot Water ?
No Hot Water
If water is coming out of the hot water tap but its just not hot, then it could be one of the following faults;
Municipal Relay is Off
- This can be confirmed by checking if the switch is in the off position on the relay box.
- This switch should be in a box on an outside wall or at the actual electricity box in your house.
- You will have to call the no hot water faults line for eskom.
- We are not permitted to work on the municipal relay switch.
Electrical wires are melted or it is not making contact properly.
- We will need to re-wire the electrics on the geyser.
Geyser Isolator is faulty.
- This switch is normally next to the geyser.
- We will need to replace isolator switch.
Thermostat is not working.
- The electrical current needed to heat up the element is not going through the thermostat
- We must change the thermostat.
Element burnt out.
- The most expensive repair to a geyser.
- We will have to replace the element.
- This will involve switching off water.
- Drain geyser of all the water.
- Install new element.
- Fill up with water & check for any leaks.
On very rare occasions there could be other reasons why there is no hot water or the water is very lukewarm.
A leak in the hot water pipe.
- Normally its underground and the water leaks so much that the cold water does not have enough time to heat up in the geyser .
- This then leads to no hot water or at least lukewarm water coming out at the tap.
- You might be able to hear a water-running sound or at least feel the hot water pipe outlet from the geyser is not hot at all.
- If no leak is visible then we would suggest leak detection.
If there is no water coming out of the tap then the following could be the fault.
The Shut Off valve to geyser is off.
- No water coming into the geyser and therefore no water coming out.
- Switch valve on.
The pressure control valave is blocked or clogged.
- This will only affect the hot water pressure if the valve is installed right before the inlet to the geyser.
- The pressure control valve has a removable filter that we need to clean.
The tap washer, cartridge is stuck or is not working.
- This will only affect the one tap and the other taps in the house should still be fine.
- Change tap washer or cartridge.
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