Difference between revisions of "High-Efficiency Combination Boilers"

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{{Combi Boiler Template
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|Description=A combi boiler is a high efficiency boiler and heater, contained within a compact unit and does not include a water tank.
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|Advantages=*Space saving
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*Reliable design
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*High energy efficiency
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|Disadvantages=*Certain conditions may result in low water pressure
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|Application barriers=
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|Information sources= [http://www.bosch-climate.com.au/products-bosch-hot-water/heating/hydronic-heating-boilers/condens5000wcombi.html Source] [http://bpec.org.uk/downloads/CE30%20-%20Domestic%20heating%20by%20gas.pdf Source] [http://www.hse.gov.uk/gas/domestic/pdf/coemissionsreview.pdf Source]
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|Image=
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|Trade=
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|Fuel= Gas
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|Operating Efficiency= 91.1%
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|Annual Degradation Rate in Efficiency= <9%
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|Heat Output Central Heating= 30 kW
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|Heat Output DHW= 39 kW
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|Dimensions= 86x72 inches, 181x72 inches
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|Weight= 330-840 kg
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|Maximum DHW Flow Rate= 37 kW
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|Maximum DHW Flow Rate Required= 3 kW
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|Minimum Operating DHW Pressure Required= 30-150 psi
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|Mechanical and Hydraulic Connections= Boiler feedwater pump, Boiler connection kit
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|CH Flow/Return Pipe Size= 10.2-139.7
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|DHW Flow/Inlet/PRV Size= 20-50 mm
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|Noise Level= 45 dB
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|CO Emissions Maximum= 40mn/m3
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|NOX Emissions Maximum=0,02ppm
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|Investment Cost= £500 - £2,500 in UK
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|Operational Cost= £666 Average Bill
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|Replacement Cost= £500 - £2,500 in UK
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|Life Expectancy= 5 years (taken as warranty)
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}}
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[[Category:Boiler]]
 
[[Category:Boiler]]

Revision as of 10:44, 12 May 2015




[edit]
Description

A combi boiler is a high efficiency boiler and heater, contained within a compact unit and does not include a water tank.

Advantages
  • Space saving
  • Reliable design
  • High energy efficiency
Disadvantages
  • Certain conditions may result in low water pressure
Application barriers
Information sources

Source Source Source

Image
Trade:


Fuel

Gas

Operating Efficiency

91.1%

Annual Degradation Rate in Efficiency

<9%

Heat Output Central Heating

30 kW

Heat Output DHW

39 kW

Dimensions

86x72 inches, 181x72 inches

Weight

330-840 kg

Maximum DHW Flow Rate

37 kW

Maximum DHW Flow Rate Required

3 kW

Minimum Operating DHW Pressure Required

30-150 psi

Mechanical and Hydraulic Connections

Boiler feedwater pump, Boiler connection kit

CH Flow/Return Pipe Size

10.2-139.7

DHW Flow/Inlet/PRV Size

20-50 mm

Noise Level

45 dB

CO Emissions Maximum

40mn/m3

NOX Emissions Maximum

0,02ppm

Investment Cost

£500 - £2,500 in UK

Operational Cost

£666 Average Bill

Replacement Cost

£500 - £2,500 in UK

Life Expectancy

5 years (taken as warranty)


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