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Minimum incoming flow rate for combi boiler | DIYnot Foru

Minimum incoming flow rate for combi boiler. Discussion in 'Plumbing and Central Heating' started by sifry, 25 Sep 2009. sifry. Joined: 25 Sep 2009 Messages: 6 so I had planned to put in a combi boiler to gain the extra space in the loft and the bathroom by removing the hot water cylinder and the cold water storage tank.

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However, with a combi boiler, although the pressure is higher, the flow resistance (due to the boiler) is also much higher, and this more than offsets the higher pressure. The flow rate is therefore much lower.

Tankless water heating - Wikiped

Tankless water heating Jump to navigation Jump to the energy of the stored water and the gas or oil burner to give faster DHW at the taps or to increase the DHW flow rate. For example, one 'combi' might supply the downstairs heating system and another the upstairs, duplication guarding against complete loss of heating and DHW in the

Can you get decent shower pressure with a combi boile

Can you get decent shower pressure with a combi boiler? (18 Posts) Add message It did not matter that the rate of flow into the house was slow. If you want to use water at the rate it is delivered, you need a bigger water pipe all the way to the main in the road. but I do know that we had a combi boiler fitted last week and the shower

Combi DHW flow rate - sufficient? - MoneySavingExpert.co

If you've only got a flow rate of 12l/min, a boiler with 15l/min is wasted. Also remember that 12l/min coming into your house will be usually shared between the cold and hot taps. If their both on then you won't have 12l of hot water.

Adjusting hot water flow rate when combi boiler ignit

The water flow has to be sufficient to operate the flow detector but only b e flowing at a rate whereby the heat (gas/oil) input can raise the temperat ure of the flowing water to the desired temperature.

Boiler Pressure problems - Hassle Free Boile

Flow rate problems are typically found in open-vent systems. These systems rely on gravity to push water from a storage tank to taps and showers. The greater the vertical distance between the taps and the tanks in your loft, the better the flow rate will be. If the tank is too close to the outlet, the flow rate may be poor. A combi boiler won

How to increase water pressure and flow rate in comb

How to increase water pressure and flow rate in combi boiler house on a hill? unless we turn the pressure on the shower dial down one notch when we can get a reasonable temperature but a reduced flow. We have a mains water combi boiler system (White Boiler Company WH 130) that shows a 0.9 bar pressure usually (combi boiler in ground floor

How to increase water pressure and flow rate in comb

Considering that the shower you have at the moment is electric, meaning that there is only cold water supply to it, you would be able to install the second shower you want on the ground floor with hot water supply from your boiler (it won't need to be electric, as the combi will provide much better hot water flow rate).

Combi boiler - bathroom and shower - which mod

The boiler has a flow rate of 18 litres per minute and the shower has a limiter of 15 litres per minute. We have good water pressure from the mains. The showers are thermostatic which I would consider essential with a combi.

Minimum incoming flow rate for combi boiler | DIYnot Foru

Minimum incoming flow rate for combi boiler. Discussion in 'Plumbing and Central Heating' started by sifry, 25 Sep 2009. sifry. Joined: 25 Sep 2009 Messages: 6 so I had planned to put in a combi boiler to gain the extra space in the loft and the bathroom by removing the hot water cylinder and the cold water storage tank.

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