Unvented Central Heating System

An unvented hot water cylinder is a pressurised system which is fed directly from the cold mains water feed and therefore can deliver hot water at mains pressure which is great for improving the performance of your shower and bath.

Unvented central heating system.

The megaflo hot water cylinder also known as the megaflo water heater is unvented and stores hot water as part of the central heating system that your home has. As unvented cylinders work from the power of the mains water supply the mains pressure and flow rate must be adequate. Supply pressure should be around 2 bars and able to supply the required flow rates. Before you begin turn off your boiler at the mains power supply and let the water in the entire system cool down.

In a vented heating system at the highest point in the system there is at least one header tank. Vented central heating systems versus unvented pressurised heating system. A megaflo system which is commonly misspelt or heard as a megaflow system is a hot water cylinder made of stainless steel. What is an unvented megaflo boiler system.

It has a loose fitting lid and is partially filled with water. Unvented cylinders don t require a cold water storage tank which is ideal if you are pushed for space as well as offering more flexibility when siting the. With unvented systems there is no need for a cold storage tank which helps free up space and requires much less pipework.