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FAN & BLOWER PARTS

A combustion air blower or fan is an essential part of any burner or combustion system. In the case of Comtherm burner products the fan is almost always an integral part of the burner unit.

In simple terms the fan consists of a scroll shaped casing fitted with a drive assembly which includes a fan wheel or impellor and an electric motor. In the interest of 'trouble free' operation and fuel efficiency it is important that the fan is kept in good working order. The fan should be cleaned and serviced at regular periods.

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MANUFACTURERS

» Impellers
» Fan Wheels
» Inlet Cones
» Fan Motors
» Fan Scrolls
» Fan Casings
















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Impellers & Fan Wheels

Comtherm gas burners of all types are fitted with a combustion air fan. These fans invariably are fitted with either a Punker or Danmark impellor, depending on burner type.

Make Diameter Width Shaft Rotation  
Punker 120mm 52mm 11mm L.H.
Punker 120mm 52mm 1/2" L.H.
Punker 133mm 52mm 1/2" L.H.
Punker 146mm 52mm 11mm L.H.
Punker 146mm 52mm 1/2" L.H.
Punker 146mm 52mm 14mm L.H.
Punker 146mm 74mm 1/2" L.H.
Punker 146mm 74mm 14mm L.H.
Punker 160mm 62mm 11mm L.H.
Punker 160mm 62mm 14mm L.H.
Punker 160mm 62mm 19mm L.H.
Punker 180mm 74mm 1/2" L.H.
Punker 180mm 74mm 14mm L.H.
Punker 180mm 74mm 19mm L.H.
Punker 200mm 62mm 14mm L.H.
Punker 200mm 62mm 19mm L.H.
Punker 200mm 82mm 14mm L.H.
Punker 200mm 82mm 19mm L.H.
Punker 200mm 82mm 24mm L.H.
Punker 200mm 92mm 24mm L.H.
Punker 225mm 82mm 19mm L.H.
Punker 225mm 92mm 19mm L.H.
Dandy 9" 102mm 24mm A.C.
Dandy 9" 127mm 28mm A.C.
Dandy 10.5" 127mm 28mm A.C.
Dandy 10.5" 149mm 19mm A.C.
Dandy 12" 121mm 24mm A.C.
Dandy 12" 171mm 24mm A.C.
Dandy 13.5" 165mm 28mm A.C.


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Inlet Assemblies & Cones

The arrangement of the fan air inlet is an important feature of any fan assembly.
Fan inlets may be an integral part of the fan casing or a pre-formed proprietary item.

Make Size Part No. Inlet dia.    
Punker 108mm ED1-108
Punker 120mm ED1-120
Punker 133mm ED1-133
Punker 146mm ED1-146
Punker 160mm ED1-160
Punker 180mm ED1-180
Punker 200mm ED1-200
Punker 225mm ED1-225
Punker 250mm ED1-250


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Fan Casings - Scrolls

Comtherm gas burner fans are designed to suit the specific requirements of the burner. Several different scroll shapes and designs are utilised

Make Fan Type Impellor size Flange Size. Casing Part No.  
Comtherm MFP120.E 120mm 120mm x 120mm MCF64166
Comtherm MFP133.E 133mm 120mm x 120mm MCF64170
Comtherm MFP146.D 146mm 120mm x 120mm MCF64046
Comtherm MFP146.D 146mm 162mm x 162mm MCF64034
Comtherm MFP146.F 146mm 180mm x 180mm MCF64035
Comtherm MFP160.E 160mm 162mm x 162mm MCF64180
Comtherm MFP160.E 160mm 216mm x 216mm MCF64181
Comtherm MFP180.E 180mm 216mm x 216mm MCF64192
Comtherm MFP200.C 200mm 216mm x 216mm MCF64199
Comtherm MFP200.E 200mm 216mm x 216mm MCF64203
Comtherm MFP225.E 225mm 216mm x 216mm MCF64199
Comtherm MFP225.E 225mm 216mm x 180mm MCF64203
Comtherm MFE120.E 120mm 120mm x 120mm MCF64317
Comtherm MFE146.E 146mm 162mm x 162mm MCF64332
Comtherm MFE160.E 160mm 162mm x 162mm MCF64261
Comtherm MFE180.E 180mm 162mm x 162mm MCF64272
Comtherm MFE200.C 200mm 120mm x 120mm MCF64279
Comtherm MFE200.C 200mm 162mm x 162mm MCF64280
Comtherm MFE200.D 200mm 180mm x 180mm MCF64282
Comtherm MFE200.E 200mm 162mm x 162mm MCF64284
Comtherm MFE200.E 200mm 180mm x 180mm MCF64285
Comtherm MFE200.E 200mm 216mm x 216mm MCF64286
Comtherm MFE225.E 225mm 216mm x 216mm MCF64291
Comtherm MFD21.C 10.5" 216mm x 216mm MCF64111
Comtherm MFD21.D 10.5" 254mm x 254mm MCF64113
Comtherm MFD24.C 12" 254mm x 254mm MCF64130
Comtherm MFD24.D 12" 254mm x 254mm MCF64131


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Fan Motors

Burner fans are usually fitted with totally enclosed fan cooled motors (T.E.F.C.)that comply with IEC standards. For certain markets and applications special motors can be fitted; for example N.E.M.A flanged etc.

Refer to the Fan Motor section of this web-site for information with regard to electric motors fited to Comtherm Gas burners.

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Comtherm Limited accepts no responsibility or liability for the accuracy of information provided on this web-page. technical data and dimensions should be confirmed with the relevant Comtherm Limited Sales or Technical office.