Click here to see our Christmas working times

Official Stockist

  • Your Shopping BasketYour Shopping Basket

    Empty
  • SSL Secure Connection


Official Stockist

Diagram & User Manual Search

Quickly locate your appliance and order replacement parts using our secure online payment facility.

  • Over 20,000 appliances available
  • Simply click on the part to buy
  • Secure online payment
  • Next day delivery

Detailed Search




  

Specific Search



  

Created by Gas Engineers, for Gas Engineers • We only sell Genuine Boiler Spares • HSP - Where The Trade Buy

WORCESTER
GR4700IW 18S NG - (Hydraulics)
Appliance Code: 41-800-11

Appliance Diagram


Hydraulics diagram for Worcester Gr4700IW 18s NGClick the diagram to open it on a new page

You can then pinch & zoom to adjust the size.

1 Part number 87161139190, PIPE CH FLOW PIPE CH FLOW
Worcester part no. 87161139190
£22.87
2 Part number 87167711540, O-RING 17X4 (10X) AFTER FD992 O-RING 17X4 (10X) AFTER FD992
Worcester part no. 87167711540
£2.63
3 Part number 87186846990, CLIP WIRE 18mm (10X) CLIP WIRE 18MM (10X)
Worcester part no. 87186846990
£2.78
4 Part number 87186808240, MANIFOLD MANIFOLD
Worcester part no. 87186808240
£22.60
5   O RING 12.5X3L (10X)
Worcester part no. 8716118019
£4.05
6   PLUG (5X)
Worcester part no. 87182224780
£2.91
7 Part number 87161065490, SAFETY CLIP 13mm (1X) SAFETY CLIP 13MM (1X)
Worcester part no. 87161065490
£2.29
8   MANIFOLD PLATE
Worcester part no. 8737602345
£12.36
9   O-RING 34X3 (10X)
Worcester part no. 8737602346
£9.25
10   NOW USE 8737605865 PUMP ERP SPE HU2-10
Worcester part no. 8737602344
 
10   PUMP UPM4L 68W ERP1
Worcester part no. 8737605865
£183.94
11 Part number 87161064520, SCREW & WASHER ASSEMBLY M5X30 SCREW & WASHER ASSEMBLY M5X30
Worcester part no. 87161064520
£2.60
12   PIPE DHW
Worcester part no. 8737602377
£14.24
13   PIPE
Worcester part no. 8737602378
£14.60
14 Part number 87186510420, Pressure sensor PRESSURE SENSOR
Worcester part no. 87186510420
£107.41
15   MANIFOLD (EXPANSION VESSEL)
Worcester part no. 87186489730
£2.80
16 Part number 87161165490, O-RING 13,87X3,53 (10X) O-RING 13,87X3,53 (10X)
Worcester part no. 87161165490
£3.13
17   CONNECTING PIPE (PRV)
Worcester part no. 8737602347
£3.43
18 Part number 87186439890, SAFETY VALVE SAFETY VALVE
Worcester part no. 87186439890
£10.36
19 Part number 87161139180, CLIP RETURN CONNECTION (X10) CLIP RETURN CONNECTION (X10)
Worcester part no. 87161139180
£19.08
20 Part number 87186819200, CLIP PUMP RETURN UNIT (X10) CLIP PUMP RETURN UNIT (X10)
Worcester part no. 87186819200
£5.94
21   CONNECTING PIPE
Worcester part no. 8737602348
£6.13
22 Part number 87167713530, O-RING 23X4 (X10) O-RING 23X4 (X10)
Worcester part no. 87167713530
£2.35
23   CLIP (10X)
Worcester part no. 8737602356
£7.48
24   WIRE CLIP 10MM (X5)
Worcester part no. 8716121164
£2.92
25   CLIP (10X)
Worcester part no. 8737602355
£5.41
26   3-WAY VALVE
Worcester part no. 8737602350
£34.96
27 Part number 87186411900, O-RING 6X2.5mm WRAS/KTW LUBRICATED (X10) O-RING 6X2.5MM WRAS/KTW LUBRICATED (X10)
Worcester part no. 87186411900
£3.28
29   PIPE CH RETURN H120
Worcester part no. 8716121325
£19.80
30   O-RING 18,7X2,7 (10X)
Worcester part no. 87186404140
£3.43
31 Part number 87112000160, WIREFORM SPRING WIREFORM SPRING
Worcester part no. 87112000160
£0.59
32   RETURN PIPE
Worcester part no. 8737602352
£6.50
33 Part number 87167714320, FILLING VALVE FILLING VALVE
Worcester part no. 87167714320
£11.11
34 Part number 87161065640, PLUG BLANKING 18mm PLUG BLANKING 18MM
Worcester part no. 87161065640
£2.70
35   HOUSING ASSEMBLY - TANK STAT
Worcester part no. 8716116822
£8.21
36   HARNESS SENSOR
Worcester part no. 8716121321
£9.92
37   CONNECTOR 2 POLE SILVER GREY
Worcester part no. 8716119956
£17.15
38   STRAPPING KIT
Worcester part no. 8716116823
£5.02
39   GAUGE PLASTIC CAPILLARY
Worcester part no. 8716121395
£10.53
40   SEAL HORSE SHOE CONNECTOR SYPHON
Worcester part no. 87186693660
£3.86
41   CAP SIPHON COLLECTOR
Worcester part no. 8716121397
£1.56
42 Part number 87161138510, O RING O RING
Worcester part no. 87161138510
£1.74
43   SIPHON HORSESHOE 4000
Worcester part no. 8716121405
£21.45
44   HOSE CONDENSATE CDD
Worcester part no. 8716121396
£3.33
50   DIVERTER VALVE HU2-10
Worcester part no. 8716121824
£15.28
51 Part number 87161156730, WASHER (X1) WASHER (X1)
Worcester part no. 87161156730
£3.88
52 Part number 87161093630, SCREW NO.10 X 20 HEX FL HD POZI ZP AFTER FD 305 SCREW NO.10 X 20 HEX FL HD POZI ZP AFTER FD 305
Worcester part no. 87161093630
£2.60
53   RETURN PIPE
Worcester part no. 8716121859
£18.70
54   ADAPTOR
Worcester part no. 8716121857
£2.96
55   RING
Worcester part no. 8716121858
£3.01
56   PIPE
Worcester part no. 8716121861
£15.94
57 Part number 87161156800, WASHER 18.6 X 13.5 X 1.5 (1X) WASHER 18.6 X 13.5 X 1.5 (1X)
Worcester part no. 87161156800
£0.86
58   FLOW PIPE
Worcester part no. 8716121860
£17.72
59   ELBOW HEAT EXCHANGER FLOW ASSEMBLY
Worcester part no. 87186495540
£5.55
60   AIR VENT
Worcester part no. 8716122078
£3.59
61   AIR VENT CUP
Worcester part no. 8716121869
£3.59
62 Part number T00220054A0, CLIP CLIP
Worcester part no. T00220054A0
£2.97
63 Part number 87186888010, SENSOR 18mm SENSOR 18MM
Worcester part no. 87186888010
£8.26
68   O RING
Worcester part no. 8716121863
£0.57
69   O-RING 23,47X2,62 (10X)
Worcester part no. 8737602349
£4.57
70 Part number 87186854900, O-RING 20.22 X 3.53 70 EPDM (X10) O-RING 20.22 X 3.53 70 EPDM (X10)
Worcester part no. 87186854900
£5.27
71   MOTOR 3-WAY VALVE
Worcester part no. 8737602357
£24.11
73   SPRING LOCKING 10MM AFTER FD656
Worcester part no. 87186632290
£11.06



Heating spares made simple this website is secured by Geotrust