How does a Heatrae Sadia Megaflo work?
An unvented direct Megaflo system uses mains cold water as its water supply. The immersion heater inside the cylinder heats the water using electricity until it reaches the temperate set by the cylinder’s thermostat.
What is a Megaflo cylinder?
Megaflo cylinders are highly efficient unvented hot water cylinders, which will provide faster filing baths and more balanced showers & taps water supply, as cylinders are directly fed from the mains water supply to deliver a strong flow of hot water at same mains pressure, regardless of where the cylinder is located …
Why is my Megaflo not heating up?
Lack of hot water – this fault could relate to either an electrical fault or an issue with an immersion heater. Low rates of water flow – could either be a fault with the pressure reduction valve or the fact that the filter in the pressure reduction valve has not been cleaned.
Do unvented cylinders need servicing?
The simple answer here is “yes”. You should have your unvented water cylinder inspected and serviced every year. The reason for this is that unvented cylinders, while offering better performance and reliability than vented cylinders, do have inherent risks. They are pressurised metal cylinders.
How long should a Megaflo last?
For specific products, such as our market-leading Megaflo Eco unvented cylinders; they have a lifetime* warranty for domestic installations or 30 years** for commercial installations.
How do I service my Megaflo tank?
Servicing:
- Partially drain cylinder.
- Recharge air gap.
- Replenish water supplies.
- Check condition of safety valves.
- Check test electrical connections.
- Check operation of zone valve (CL models only)
- Check resistance of immersion heaters (DD models only)
- Check continuity and operation of thermostats (DD models only)
How does a Megaflow tank work?
The cold water is fed into the bottom of the tank at mains pressure. This forces the hot water out at the top and this then travels to the tap. This means that you have great pressure all the time, so gone are the days of the dreaded dripping shower!
How long does a Megaflow take to heat up?
Should have added that it takes ~30 mins to reheat from the boiler, or ~20 mins if the immersion heater is on as well.
How do you recharge Megaflo?
To re-charge the air gap please use the following simple instructions:
- Turn off the mains cold water supply to the Megaflo.
- Open the lowest hot tap in the property.
- Hold open the temperature / pressure relief valve until the gurgling noise stops and water stops running from the tap and valve.
Do you need a boiler with a Megaflow?
In fact, a Megaflow technically isn’t a boiler at all. It’s a water tank or cylinder made of stainless steel that heats water. Water from the mains feeds into the cylinder and is kept at mains pressure.
https://www.youtube.com/watch?v=1nnpwyDpExM