Recirculatory Heater Units; Fresh Air Ventilator Units

Part No: LWZ204
  In Stock
WASHER-SPRING, 1/4''
Required Quantity: 4
£0.22 inc VAT
£0.18 ex VAT
Part No: PWZ104
  In Stock
WASHER-PLAIN - 1/4" x 9/16" O.D.
Required Quantity: 1/2
£0.30 inc VAT
£0.25 ex VAT
Part No: PWZ203
  In Stock
1960-68.
£0.22 inc VAT
£0.18 ex VAT
Part No: FNZ104
  In Stock
NUT - 1/4" UNF
Required Quantity: 2
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£0.29 ex VAT
Part No: PFS310
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USE: AK610021
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Part No: LWZ403
  In Stock
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Part No: SH604041
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SET SCREW-1/4'' UNF x 1/2''
Required Quantity: 3
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Part No: 13H250
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Part No: 13H7901
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Part No: 27H8235
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Part No: 27H9229
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USE: 2H4841
Required Quantity: 1
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Part No: 2H4841
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£13.79 inc VAT
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Part No: 57H5260
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£76.50 inc VAT
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Part No: AJD8012Z
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NUT-2BA-STD. THICKNESS
Required Quantity: 3
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Part No: PTZ603
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USE: AB606031
Required Quantity: 8/10
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Part No: YUF101090
  In Stock
SWITCH-HEATER MOTOR-'69-'96
Required Quantity: 1
£7.08 inc VAT
£5.90 ex VAT
Part No: PJZ602
  In Stock
£0.25 inc VAT
£0.21 ex VAT
Part No: 17H8108
  In Stock
£8.56 inc VAT
£7.13 ex VAT
Part No: 17H6836
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£0.00 inc VAT
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Part No: 27H602
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Part No: 27H646
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SCREW-MOTOR TO HEATER CASING
Required Quantity: 3
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Part No: 17H8612
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Part No: 7H6924
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Part No: 24A151
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£3.52 inc VAT
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Part No: PJZ1004
  In Stock
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Part No: 17H1289
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Part No: 37H3923
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Part No: PJZ808
  In Stock
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Part No: 13H5146
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USE: AK610021
Required Quantity: 2
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Part No: 37H7214
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Part No: BAU1923
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Part No: 37H580
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Part No: 17H2096
  In Stock
MATRIX-RECIRCULATORY HEATER
Required Quantity: 1
£91.30 inc VAT
£76.08 ex VAT
Part No: 17H2096SET
  In Stock
£7.99 inc VAT
£6.66 ex VAT
Part No: 27H1550
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FAN-RECIRCULATORY HEATER
Required Quantity: 1
£0.00 inc VAT
£0.00 ex VAT
Part No: 37H425
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SCREW-FAN TO MOTOR SHAFT
Required Quantity: 1
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Part No: 27H1551
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Part No: 27H1837
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Part No: 37H4758
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Part No: 53K124
  In Stock
£0.38 inc VAT
£0.32 ex VAT
Part No: 17H8609
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£0.00 inc VAT
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Part No: 17H8617
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USE: PJZ602
Required Quantity: 3
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Part No: 24A2753
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£0.00 ex VAT
Part No: 24K2085
  In Stock
£1.55 inc VAT
£1.29 ex VAT
Part No: 37H3925
  Available to Customer Order
£0.00 inc VAT
£0.00 ex VAT
Part No: 37H4215
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£0.00 ex VAT
Part No: 37H4912
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£0.00 inc VAT
£0.00 ex VAT
Part No: 37H579
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Part No: BAU2329
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£0.00 inc VAT
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Part No: BMP364
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Part No: LWZ303
  In Stock
£0.29 inc VAT
£0.24 ex VAT
Recirculatory Heater    
The recirculatory heater was so called because it received air only from the cabin and did not have a duct supplying it with fresh air from outside the vehicle.
It is most commonly to be found on very early Minis, since it was gradually phased out from 1963 onwards.  In theory, lowly 850 Saloons and some export 
1000 saloons retained the recirculatory heater as standard fitment until the early 1970s (in reality, most customers asked for the optional fresh air heater 
instead), while Vans and Pick Ups persisted with it all the way through until the end of the 1970s.  Very occasionally 'new old stock' late-model Van and Pick 
Up heaters come to light in dusty warehouses, but usually it is up to you to restore your old heater unit.  The radiator or 'matrix' can be replaced as can the 
fan motor; we offer a reconditioning service for your matrix should you prefer it.  Right hand drive and left hand drive heaters differ in the position of the matrix 
inlet and outlet pipes - however the matrix is the same, and is simply mounted different ways round in the RHD and LHD heaters. 
         
Often referred to as the 'fug-stirrer', the recirculatory heater would make already stale cabin air quite revolting after a prolonged drive, while its demisting 
abilities were non-existant (actually, it often made visibility worse).  One for the purists and masochists only!  Although ostensibly the same right the way 
through production, detail changes did occur - most importantly to the heater casing at the start of 1960 (the 1959-60 heaters not even 
having demister flaps to divert all of the airflow to the windscreen) and in 1969 (Saloons) and 1970 (Vans and Pick Ups) when the change was made from 
positive to negative earth electrical systems.  Note that the fan motor changed on each occasion.  All recirculatory heaters can be interchanged as complete 
assemblies, so long as the vehicle's electrical system polarity is observed and the fan motor wiring modified to suit if necessary.  You wouldn't want the fan
going backwards, would you?    
         
Ill. No. Part No. Description Qty. Rqd. Remarks
1     - HEATER ASS'Y, recirculatory, without demister flaps 1 1959-60, positive earth.
2     - HEATER ASS'Y, recirculatory, with demister flaps 1 1960-1969/70, positive earth.
      - HEATER ASS'Y, recirculatory, with demister flaps 1 1969/70-80, negative earth.
3 SH604041 SCREW, heater to body 3 1959-60.
4 LWZ204 WASHER, locking 3 1959-60.
5 SH604041 SCREW, heater to body 2 1960-80.
6 FNZ104 NUT, heater to body 2 1960-80.
7 LWZ204 WASHER, locking 4 1960-80.
8 PTZ603 SCREW, self tapping, heater case assembly 8/10 Qty. 8 required for 1959-60 heaters.
9 37H579 SPRING, demister flap, RH 1 1960-80.
10 37H580 SPRING, demister flap, LH 1 1960-80.
11 17H2096 MATRIX, heater, new 1 Reconditioned also available - please enquire.
12 17H2096SET SEAL SET, matrix, four pieces 1  
13 27H1550 FAN, heater 1  
14 37H425 SCREW, fan to motor shaft 1  
15 27H1551 MOTOR ASSEMBLY, fan 1 1959-60, positive earth.
16 27H1837 MOTOR ASSEMBLY, fan 1 1960-1969/70, positive earth.
  37H4758 MOTOR ASSEMBLY, fan 1 1969/70-80, negative earth.
The 37H4758 motor may be used on positive earth cars so long as the wiring connections are swapped over to suit.
         
Ill. No. Part No. Description Qty. Rqd. Remarks
17 53K124 SCREW, motor to heater 3 1959-60.
18 LWZ403 WASHER, shakeproof 3 1959-60.
19 AJD8012Z NUT, motor to heater 2 1960-80.
20 LWZ403 WASHER, shakeproof 2 1960-80.
21 57H5260 SWITCH, fan, adjustable rheostat type 1 1959-74.
22 27H9229 SWITCH, fan, 'on-off' barrel type 1 1974-80.
  2H4841 SWITCH, fan, 'on-off' barrel type 1 1974-80; alternative.
23 13H250 KNOB, switch 1 For rheostat switch.
24 13H7901 KNOB, switch 1 For barrel switch.
         
Fresh Air Ventilating Units    
Fresh air ventilating units were offered as an option to non-heater fitted cars, usually those destined for warmer climates.  They are all based on the 1963 on metal or plastic bodied fresh air heaters, being more or less a heater unit with the fan and motor but without the heating matrix and water plumbing.  
The 1969 on unit used in Saloons and Estates was modified to include a second fan and similar controls to concurrent heater-fitted models.
         
Metal Case Fresh Air Ventilator    
Saloons and Estates 1963-68    
Vans and Pick Ups 1963-80    
Ill. No. Part No. Description Qty. Rqd. Remarks
25     - VENTILATING UNIT ASS'Y, fresh air 1 1963-70, positive earth.
      - VENTILATING UNIT ASS'Y, fresh air 1 1970-80, negative earth.
26 17H8609 MOTOR ASSEMBLY, fan 1 1963-70, positive earth.
  37H4215 MOTOR ASSEMBLY, fan 1 1970-80, negative earth.
27 17H8108 FAN 1  
28 17H6836 CLIP, fan to motor 1  
  27H602 COLLET, fan to motor 1 Alternative to clip.
29 27H646 SCREW, motor to casing 3  
30 LWZ303 WASHER, locking 3  
31 AJD8012Z NUT 3  
32 17H8612 SEAL, motor to casing 1  
33 7H6924 GROMMET, motor wiring 1  
34 17H8609 PLUG, unused holes in casing 4  
35 27H8235 SWITCH, fan control 1  
36 24A151 KNOB, lever 1  
37 PJZ602 SCREW, self tapping, casing assembly 18  
38 17H8617 SCREW, self tapping, lever plate to casing 3  
39 FNZ104 NUT, unit to body 1  
40 LWZ204 WASHER, locking 1  
41 PWZ104 WASHER, plain 1  
42 PJZ1004 SCREW, self tapping, unit to body 2  
43 PWZ203 WASHER, plain 2  
44 PFS310 NUT, Spire 2  
         
Plastic or Metal Case Fresh Air Ventilator    
Saloons and Estates 1968 On    
Ill. No. Part No. Description Qty. Rqd. Remarks
45     - VENTILATING UNIT ASS'Y, fresh air 1 1968-69, positive earth, plastic case.
46     - VENTILATING UNIT ASS'Y, fresh air 1 1969-74, negative earth, plastic case.
      - VENTILATING UNIT ASS'Y, fresh air 1 1969-84, negative earth, metal case.
  BMP364 VENTILATING UNIT ASS'Y, fresh air 1 1984 on, negative earth, metal case.
47 37H3925 MOTOR ASSEMBLY, single fan type 1 1968-69, positive earth, plastic case.
48 37H4912 MOTOR ASSEMBLY, twin fan type 1 1969-74, negative earth, plastic case.
  37H7214 MOTOR ASSEMBLY, twin fan type 1 1969 on, negative earth, metal case.
49 17H8108 FAN, RH mounting 1  
  BAU2329 FAN, LH mounting 1 1969 on.
50 17H6836 CLIP, fan to motor 1/2  
  27H602 COLLET, fan to motor 1/2 Alternative to clip.
51 24K2085 GROMMET, fan motor mounting 3 1968-69.
52 17H1289 DISTANCE PIECE, fan motor mounting 3 1968-69.
53 37H3923 KNOB, lever 1 1968-69.
54 BAU1923 KNOB, lever 1 1969 on.
55 YUF101090 SWITCH, fan control 1  
56 24A2753 ADAPTOR, demister hose 2  
57 24A2752 SEAL, demister hose 2  
58 FNZ104 NUT, unit to body 1/2 Qty. 1 used 1968-69.
59 LWZ204 WASHER, locking 1/2 Qty. 1 used 1968-69.
60 PWZ104 WASHER, plain 1/2 Qty. 1 used 1968-69.
61 PJZ808 SCREW, self tapping, unit to body 2  
62 13H5146 NUT, Spire 2  
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Part No: LWZ303
  In Stock
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£0.24 ex VAT
Part No: BMP364
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£0.00 ex VAT
Part No: BAU2329
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£0.00 ex VAT
Part No: 37H579
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Part No: 37H4912
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£0.00 ex VAT
Part No: 37H4215
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£0.00 ex VAT
Part No: 37H3925
  Available to Customer Order
£0.00 inc VAT
£0.00 ex VAT
Part No: 24K2085
  In Stock
£1.55 inc VAT
£1.29 ex VAT
Part No: 24A2753
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£0.00 ex VAT
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£0.00 inc VAT
£0.00 ex VAT
Part No: 17H8609
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£0.00 inc VAT
£0.00 ex VAT
Part No: 53K124
  In Stock
£0.38 inc VAT
£0.32 ex VAT
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