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Homepage > Boilers > Shop By Boiler Manufacturer > Keston Boilers > Keston Condensing Conventional Gas Boilers > Keston Qudos 28h HE Gas Condensing Conventional Gas Boiler

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Keston Qudos 28h HE Gas Condensing Conventional Gas Boiler
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Keston Qudos 28h HE Gas Condensing Conventional Gas Boiler Q.10H.0.00.00.0


Delivery: 4 Working Days (Approx)

Manufacturer GuaranteeSedbuk A Rated BoilerNatural Gas BoilerThis Product is In Stock
Ref: 114070

RRP: £1299.00
Our Price: £865.13
Saving: £433.87
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Please Click Yellow Tabs Below for Further Product Details
Code Description Inc. VAT Excl. VAT
114070 - Qudos 28HE Gas Condensing Open Vented Boiler £865.13 £720.94
114071 - Qudos 28HE Condensing Open Vented Boiler - LPG £988.13 £823.44


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The Keston Qudos 28 offers today’s domestic market the ultimate in tomorrow’s technology. A range of fully modulating gas condensing boilers with advanced yet simple integral controls that provide a suite of options for the user/installer to select to ensure optimum performance is delivered at all times.

The Qudos 28 units feature an integral control system for 'auxiliary energy' such as solar thermal, thereby providing a 'future proof' solution. This ensures seamless integration of the renewable energy source with the high efficiency boiler operation to maximise the energy efficiency benefits available.

The Qudos 28h has dimensions of only H680 x W390 x D280 and weighs just 35kg. It can be sited virtually anywhere - even in a standard kitchen cupboard if required, with no compartment ventilation.

Use The Tabs To View Information About The Keston Qudos Boiler


  • SEDBUK A rated
  • 50mm muPVC flue system as expected from Keston Boilers Ltd (NB BSEN1566-1 (pipe) and BSEN1329 (fittings)).
  • Attractive LCD user display indicating full product operation status at all times
  • No compartment ventilation due to the very low casing temperatures
  • Two stage frost protection
  • System pump and fan exercise during extendedperiods of inactivity
  • Full diagnostics and information display
  • Lockout "avoidance" technology to prevent nuisance lockouts
  • Fully programmable setting . can be tailored to each individual users needs
  • Logging of historical data
  • Optional back frames for routing pipes behind boiler
  • Natural and LP Gas models
  • Integral Solar Controller for direct control of auxiliary energy such as solar thermal
  • Keston Dual Stat facility allowing two different operating temperatures depending upon the source of the demand
  • Opentherm control connection for intelligent room control
  • 0.10V DC input control for BMS connection controls
  • Facility for hot water modulating control and legionella protection
  • Weather compensation
Site the unit where convenient, connect to the radiators or the underfloor heating system, all hot and cold services and the gas supply.

Connect 230V permanent electrical supply into a switched fused spur box fitted on the unit and finally connect to any choice of 230V AC room thermostat.

All servicing is from the front and the water cylinder is fitted with a 3kW (21/4") immersion heater as backup.

As with all Keston boilers, the Qudos 28s carries the Energy Efficiency logo*.
Model
 28H (Open Vented)
Cabinet Height
680mm
Cabinet Width
390mm
Cabinet Depth
280mm
Top Clearance
150mm

Side Clearance

5mm
Base Clearance
200mm

Front Clearance

300mm
Weight (Full) 39kg
Weight (Empty) 35kg
IP Rating IP20 (IPX0)
Model
 Gas Version LPG Version
Max CH Input

29.4 kW / (100,300 BTU/H)

27.8 kW / (94,850 BTU/H)

Max Output to Water (80/60C Flow/Return)

26.4 kW / (90,500 BTU/H) 25.5 kW / (87,000 BTU/H)
Max Output to Water (50/30C Flow/Return) 28.4 kW / (96,900 BTU/H) 28.4 kW / (96,900 BTU/H)
Min. Output to Water (80/60C Flow/Return) 7.0 kW / (24,900 BTU/H) 7.8 kW / (26,600 BTU/H)
Max Gas Cons After 10 mins 0.76/(96.6) 0.35/(45.0)
Max Operating Flow Temp. 82°C 82°C
Max Pressure (Sealed System) 2.5 Bar 2.5 Bar
Inlet Gas Pressure 20 mbar 20 mbar
Electrical Supply 230V / 50Hz 230V / 50Hz
Type of Gas G20 Nat Gas G31 LPG
SEDBUK Efficiency 91.1 % (A) 93.1 % (A)


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Keston Qudos 28h HE Gas Condensing Conventional Gas Boiler


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