Unlike a modern furnace a gravity system has ducts but no fan.
Gravity fed central heating system diagram.
Gravity fed gas boiler system central heating system gravity fed system.
Another hurriedly thrown together page i m afraid people often ask me for central heating diagrams showing how the pipework circuits are arranged in a central heating system.
If you have a gravity fed tank system as well as the boiler you ll also have a hot water cylinder in a cupboard somewhere and also much higher up like in a loft a cold water feed expansion tank s.
System boilers are designed to reduce installation time they contain all the heating system components within the casing circulating pump pressure relief valve and expansion vessel.
1 a mains system either a high pressure or a combi boiler or 2 a gravity fed tank system.
My name s allen hart.
Usually located in the basement floor or wall a gravity heating system allows warm air to naturally rise into a home.
They are less common now as combi and high pressure systems are both superior when a complete new system is being installed.
However residual heat in the mass of an oil fired boiler will cause components to fail it s better to install them remotely.
There are almost infinite variations but there are four main types.
Historically a gravity fed central heating system was the most common system installed in uk housing.
Central heating system gravity feed.
Today i wanted to do a video about central heating systems.
Open vented central heating system.
Central heating system design y plan s plan gravity combi boilers.
The open vented system is fed from a feed and expansion tank located in the loft this keeps the system topped up and also allows the water to expand as it heats up.
There is also a vent line that releases any air in the system and returns any water or steam to the top of the expansion tank in the event of.