Skip to main content
Hi
!
Hello.
Sign in
or
register
Local
Daily Deals
Fashion
Help & Contact
Sell
Watch List
Expand watch list
My eBay
Expand My eBay
Summary
Recently Viewed
Bids/Offers
Watch List
Purchase History
Selling
Saved feed
Saved Searches
Saved Sellers
My Garage
Sizes
Messages
Expand Notifications
Please
sign in
to view notifications.
Expand Basket
Loading...
eBay Home
Shop by category
All Categories
Search
Advanced
Vaillant Water Combi Boilers
You may also like
Worcester Boiler Home Standard Water Heaters
Baxi Boiler Home Standard Water Heaters
Ideal Boiler Home Standard Water Heaters
Unbranded Boiler Home Standard Water Heaters
Glow-Worm Boilers
Top-rated
See all
Vaillant ECOMAX ecoTEC Plus Pro Gasket Seal 0020038679 G10
(86)
98%
agree - Would recommend
£13.89 New
Vaillant timeSWITCH 150 Analogue Timer - 0020116882
(60)
97%
agree - Would recommend
£50.00 New
Vaillant 178985 Pressure Relief Valve
(57)
97%
agree - Would recommend
£8.58 New
£6.99 Used
Vaillant Pressure Relief Valve (190732)
(30)
95%
agree - Would recommend
£7.30 New
Vaillant timeSWITCH 150 Analogue Timer - 0020116882
(23)
100%
agree - Good quality
£45.00 New
£27.00 Used
Vaillant 0020132764 Printed Circuit Board
(18)
100%
agree - Would recommend
£72.00 New
£27.99 Used
A+++
G
A+++
Vaillant 0020010291 Service Cock - Gold
(18)
100%
agree - Would recommend
£25.00 New
Vaillant ECOMAX VUW Pressure Relief Valve PRV 190728
(12)
100%
agree - Would recommend
£9.70 New
A+++
E
A
Best selling
See all
Vaillant 303903 1m Flue Extension
(6)
£18.00 New
Energy Rating A
VAILLANT ECOTEC GAS VALVE 0020148381 0020148382 VK8515MR4571U 0020053968
£56.50 New
A+++
E
A
Vaillant 0020133816 Ignition Electrode
£15.19 New
£7.99 Used
A+++
G
A+++
Vaillant Diverter Valve - 0020132682
(11)
£20.56 New
Vaillant Printed Circuit Board - 0010028086
(2)
£89.00 New
£52.67 Used
Vaillant ECOMAX ecoTEC Plus Pro Gasket Seal 0020038679 G10
(86)
£13.89 New
Vaillant Automatic DE-Aerotor (104521)
(12)
£6.90 New
Vaillant 178985 Pressure Relief Valve
(57)
£8.58 New
£6.99 Used
breadcrumb
eBay
Home Garden
Household Accessories & Supplies
Heating, Cooling & Air
Heaters & Radiators
Water Heaters
Home Garden
Household Accessories & Supplies
Heating, Cooling & Air
Heaters & Radiators
Water Heaters
Standard Water Heaters
Vaillant Water Combi Boilers
Related Searches
Vaillant Combi
Boiler Vaillant
Valiant Boiler
Vaillant
Vaillant Boiler Protection Kit
Vaillant Filter
Vaillant Valve
Combi Boiler Thermostat
Vaillant Diverter Valve
Vaillant Expansion Vessel
Vaillant Heat Exchanger
Water Boiler Lincat
Shop by category
Water Heaters
Standard Water Heaters
Combi Boiler Water Heaters
Immersion Water Heaters
Tankless Water Heaters
Water Heater Accessories
Water Heater Parts
All listings
Auction
Buy It Now
Best Offer
Sort: Best match
Best match
Time: ending soonest
Time: newly listed
Price + postage: lowest first
Price + postage: highest first
Distance: nearest first
List view
Gallery view
14,410 results
Sort: Best match
Best match
Time: ending soonest
Time: newly listed
Price + postage: lowest first
Price + postage: highest first
Distance: nearest first
Filter
2 filters applied
Brand: Vaillant
- Selected
Heating System: Boiler
- Selected
Brand
Vaillant
Baxi
Ideal
Worcester
Glow-Worm
Unbranded
Potterton
Vokèra
Biasi
Ariston
FERROLI
Main
Alpha
Honeywell
Grundfos
Viessmann
Heatline
Ravenheat
Sime
Chaffoteaux
Heating System
Boiler
Instantaneous (Tankless)
Storage Tank
Power Source
Battery
Corded Electric
Gas/Petrol
Hybrid
Hydronic (Hot Water)
LP (Liquefied Petroleum Gas)
NG (Natural Gas)
Oil
Propane Gas
Solar
Wood
Not specified
Mounting Location
Indoor
Motorhome
Outdoor
Under Sink
Wall
Whole House
Whole Room
Not specified
Energy Efficiency Rating
A+++
A++
A+
A
B
Not specified
Condition
New
New other (see details)
Used
For parts or not working
Not specified
Price
Under £25
£25 to £55
Over £55
All Filters
Vaillant Standard Horizontal Flue Kit Brand New 0020219517 Boiler Ecotec Genuine
Brand new
·
Vaillant
£67.50
£9.99 P&P
70 sold
Vaillant Ecotec Plus 824 831 837 & Pro 24 28 PCB 0020132764 ( 1 Year Warranty )
New (other)
·
Vaillant
(18)
£41.99
(£41.99/Unit)
Free postage
Est. delivery
Thu, Aug 14
715 sold
A+++
G
A+++
VAILLANT ECOTEC PLUS 612, 824, 831 & PRO 24, 28 BOILER PUMP 178983 P/N: 59866550
New (other)
·
Vaillant
(47)
£42.49
(£42.49/Unit)
Free postage
Est. delivery
Thu, Aug 14
73 sold
A+++
G
A+++
VAILLANT TIME SWITCH 130 24HR MECHANICAL ANALOGUE TIMER CLOCK 306759 A618 GENUIN
New (other)
·
Vaillant
(30)
£36.99
(£36.99/Unit)
Free postage
Est. delivery
Thu, Aug 14
738 sold
A+++
G
A+++
VAILLANT ECOTEC PRO 24 28 (2012 MODEL) CIRCUIT BOARD PCB 0020108264
Excellent - Refurbished
·
Vaillant
(9)
£57.00
Free postage
Est. delivery
Thu, Aug 14
535 sold
Refurbished on eBay
A+++
E
A+++
New listing
Vaillant Standard Horizontal Flue Kit 0020219517
Brand new
·
Vaillant
£65.00
Free postage
Vaillant Ecotec Plus 612 System Boiler
Brand new
·
Vaillant
£414.68
or Best Offer
£24.00 P&P
21 watching
New listing
Vaillant 0020132764 PCB Genuine
Brand new
·
Vaillant
(18)
£78.68
or Best Offer
£2.94 P&P
A+++
G
A+++
VAILLANT ECOTEC VUW PRO 24 & PRO 28 BOILER AUTO AIR VENT 104521
Brand new
·
Vaillant
(7)
£7.95
Free postage
Est. delivery
Fri, Aug 15
242 sold
A+++
D
A
Vaillant EcoTEC Plus 824 831 837 937 PCB (From 2012)0020254533, 0010028086 New*
Brand new
·
Vaillant
(2)
£89.99
£4.99 P&P
Only 2 left
Energy Rating A+++
New listing
Vaillant 1 Metre Flue Extension 60/100 Part 303903
Brand new
·
Vaillant
(6)
£19.34
or Best Offer
£3.71 P&P
Energy Rating A
Vaillant 1m Air Flue Duct Extension Kit 970mm 60/100mm 303903
Brand new
·
Vaillant
(6)
£29.99
Free postage
Est. delivery
Fri, Aug 15
704 sold
Energy Rating A
VAILLANT BOILER HEATING SPARES PARTS JOBLOT NEW UNUSED
New (other)
·
Vaillant
£56.00
£4.95 P&P
4 bids
1d 3h
VAILLANT ECOTEC PLUS 612 615 618 624 630 637 824 831 837 BOILER PCB 0020132764
New (other)
·
Vaillant
£35.00
Free postage
VAILLANT ECOTEC PLUS 612 615 618 624 630 637 824 831 837 BOILER PCB 0020132764
New (other)
·
Vaillant
£49.50
Free postage
Est. delivery
Thu, Aug 14
273 sold
VAILLANT ECOTEC PRO 28 & PLUS 831 MAIN HEAT EXCHANGER 0020135131, 0020018182
New (other)
·
Vaillant
(3)
£57.98
(£57.98/Unit)
Free postage
Est. delivery
Wed, Aug 13
253 sold
A+++
G
A+++
VAILLANT ECOTEC PRO 24 28 PCB 0020052093 0020132764 0020107811 0020028060
New (other)
·
Vaillant
(18)
£25.00
(£25.00/Unit)
Free postage
Est. delivery
Thu, Aug 14
A+++
G
A+++
VAILLANT ECOTEC VUW PRO 24 28 EXPANSION VESSEL 181051 & PRV 178985
Excellent - Refurbished
·
Vaillant
(194)
£43.42
Free postage
Est. delivery
Thu, Aug 14
124 sold
Refurbished on eBay
A+++
E
A+++
VAILLANT GAS SECTION 0020148381
Brand new
·
Vaillant
£79.99
£4.99 P&P
Vaillant Eco Tec Plus 438 428 418 415 PCB Part No 0020036861
Excellent - Refurbished
·
Vaillant
(6)
£46.74
Free postage
Est. delivery
Thu, Aug 14
Refurbished on eBay
A+++
E
A+++
Vaillant Boiler PCB (2012) 0010028086 0020116983 Type 3
Excellent - Refurbished
·
Vaillant
£83.13
Free postage
Est. delivery
Thu, Aug 14
381 sold
Refurbished on eBay
A+++
E
A
✴️ VAILLANT BOILER HEATING SPARES PARTS JOBLOT NEW UNUSED & SEALED
Brand new
·
Vaillant
£25.00
£7.95 P&P
1 bid
2d 4h
VAILLANT ECOTEC PLUS 824 831 837 937 PCB 0020052093 0020132764
Excellent - Refurbished
·
Vaillant
(18)
£55.44
Free postage
Est. delivery
Thu, Aug 14
Refurbished on eBay
Energy Rating A+++
Brand new Vaillant 303903 1m Flue Extension BNIB
Brand new
·
Vaillant
(6)
£31.99
Free postage
Est. delivery
Thu, Aug 14
280 sold
Energy Rating A
Vaillant 0020020015 Diverter Valve – Ecotec Pro & Plus 24 28 30 831
New (other)
·
Vaillant
£20.99
(£20.99/Unit)
Free postage
Est. delivery
Fri, Aug 15
A+++
E
A+++
Vaillant Ecotec Pro 24 & Ecotec Pro 28 Boiler Main PCB 0020132764 0020045360
New (other)
·
Vaillant
(20)
£37.99
(£37.99/Unit)
Free postage
Est. delivery
Thu, Aug 14
A+++
G
A+++
VAILLANT SERVICE COCK 0020010291 NEW
Brand new
·
Vaillant
(18)
£25.00
Free postage
Est. delivery
Thu, Aug 14
Vaillant Boiler Printed Circuit Board (PCB) 0010028086 0020108264
Excellent - Refurbished
·
Vaillant
(1)
£57.00
Free postage
Est. delivery
Thu, Aug 14
Refurbished on eBay
A+++
E
A+++
VAILLANT ECOTEC PLUS 612 615 618 624 630 824 831 (2012 MODEL) FAN 0020135138
New (other)
·
Vaillant
£62.00
Free postage
Est. delivery
Thu, Aug 14
43 sold
Energy Rating A++
VAILLANT ECOTEC PLUS BOILER PCB 0020135165 0020116983
Excellent - Refurbished
·
Vaillant
£60.50
to
£90.50
Free postage
Est. delivery
Thu, Aug 14
65 sold
Refurbished on eBay
Energy Rating A+++
VAILLANT ECOTEC PRO VUW 24 28 BOILER PUMP 178983 193534
Excellent - Refurbished
·
Vaillant
£58.21
Free postage
Est. delivery
Thu, Aug 14
62 sold
Refurbished on eBay
Energy Rating A+++
VAILLANT TURBOMAX PLUS 824E & 828E PCB 0020034604 WAS 130806
New (other)
·
Vaillant
£38.99
Free postage
Est. delivery
Thu, Aug 14
27 sold
Energy Rating A+++
Vaillant Boiler PCB (2012) 0010028086 0020116983 Type 3
Excellent - Refurbished
·
Vaillant
(2)
£83.13
Free postage
Est. delivery
Thu, Aug 14
105 sold
Refurbished on eBay
A+++
E
A+++
Vaillant Ecotec Plus 831 Diverter Valve Repair Cartridge 0020020015 & 0020132682
Brand new
·
Vaillant
(179)
£7.45
Free postage
Est. delivery
Fri, Aug 15
310 sold
Vaillant Ecotec Pro 24 & Ecotec Pro 28 Boiler Main PCB 0020132764 0020052093
Excellent - Refurbished
·
Vaillant
(20)
£46.74
Free postage
Est. delivery
Thu, Aug 14
30 sold
Refurbished on eBay
A+++
E
A+++
Vaillant Diverter Valve 0020020015
Brand new
·
Vaillant
£42.28
£2.94 P&P
Energy Rating A+++
New listing
Vaillant Packing Rings O-Ring Seal (Pack of 10) 981151 New Genuine
Brand new
·
Vaillant
£10.99
(£10.99/Unit)
Free postage
Est. delivery
Thu, Aug 14
VAILLANT ECOTEC VUW PRO 24 28 EXPANSION VESSEL 181051 & PRV 178985
New (other)
·
Vaillant
(57)
£28.90
(£28.90/Unit)
Free postage
Est. delivery
Thu, Aug 14
225 sold
A+++
E
A+++
VAILLANT ECOTEC PLUS 824 831 837 & PRO 24 DIVERTER VALVE 178978 (OLD MODEL)
New (other)
·
Vaillant
£34.99
(£34.99/Unit)
Free postage
Est. delivery
Thu, Aug 14
181 sold
A+++
G
A+++
Vaillant Ecotec Pro 24 Ecotec Pro 28 PCB 0020052093 0020132764 0020107811
New (other)
·
Vaillant
(18)
£38.99
(£38.99/Unit)
Free postage
Est. delivery
Thu, Aug 14
64 sold
A+++
G
A+++
Vaillant 0020148383 Ecotec Plus 637 837 838 937 938 Boiler Gas Valve- Brand New
Brand new
·
Vaillant
£130.50
(£130.50/Unit)
Free postage
Est. delivery
Fri, Aug 15
A+++
E
A+++
Vaillant Ecotec Pro Isolation Valves & Bracket
New (other)
·
Vaillant
£42.28
£3.38 P&P
Energy Rating A+++
0 bids
32m 6s
GENUINE VAILLANT ECOTEC PLUS 824 831 837 CONDENSATE TRAP 180984
Brand new
·
Vaillant
(3)
£14.95
Free postage
Est. delivery
Fri, Aug 15
Only 1 left.
Energy Rating A
NEW Vaillant White Plume Management Kit 0010039340. BNIB
Brand new
·
Vaillant
£63.08
or Best Offer
£4.06 P&P
Vaillant 308650 ECO-TEC Spacing Frame Spacer Frame FREE DELIVERY
Brand new
·
Vaillant
£19.99
Free postage
Est. delivery
Thu, Aug 14
116 sold
Vaillant EcoTEC Plus 624 630 824 831 832 835 Gas Valve VK8515MR 0020148382 New*
Brand new
·
Vaillant
(5)
£119.99
(£119.99/Unit)
Free postage
Est. delivery
Thu, Aug 14
Only 3 left
A+++
D
A+++
Vaillant 308650 ECO-TEC Spacer Frame
Brand new
·
Vaillant
£22.99
Free postage
Est. delivery
Thu, Aug 14
30 sold
VAILLANT ECOTEC PRO 24,28 & PLUS 824 WATER PRESSURE SENSOR 0020059717 WAS 253595
Brand new
·
Vaillant
£9.99
(£9.99/Unit)
Free postage
Est. delivery
Fri, Aug 15
146 sold
A+++
G
A+++
VAILLANT 014731 Valve GENUINE - Central heating service NEW SEALED BOX
Brand new
·
Vaillant
(1)
£49.99
Free postage
Est. delivery
Thu, Aug 14
92 sold
Vaillant Ignition Cable 193590 Original for eco tech plus etc
Brand new
·
Vaillant
(1)
£14.00
or Best Offer
£2.94 P&P
A+++
E
A
0 bids
4h 30m
Vaillant ecoTEC Pro & Plus Service Kit - 0020038679-0020059717-0020133816-178985
Brand new
·
Vaillant
£45.39
Free postage
14 watching
A+++
E
A+++
5X VAILLANT ECOTEC PRO 24 & 28 HEAT EXCHANGER DOOR GASKET SEAL 0020038679
Brand new
·
Vaillant
(86)
£65.00
Free postage
Est. delivery
Fri, Aug 15
33 sold
Vaillant 60/100 Flue Bend
Brand new
·
Vaillant
£34.99
or Best Offer
Free postage
Energy Rating A
New listing
Vaillant 190162 Turbomax fan Assembly BNIB
Brand new
·
Vaillant
(8)
£52.68
or Best Offer
£3.71 P&P
Energy Rating A+++
0020038679 VAILLANT ECO 613 618 622 635 E 646 0020025929 BURNER SEAL GASKET
Brand new
·
Vaillant
£13.95
Free postage
Est. delivery
Fri, Aug 15
119 sold
A+++
G
A++
VAILLANT ECOTEC PRO 24 & PRO 28 VUW PRESSURE RELIEF SAFETY VALVE ( PRV )178985
Brand new
·
Vaillant
(57)
£11.95
Free postage
Est. delivery
Fri, Aug 15
278 sold
A+++
D
A+++
BAXI SOLO 2 30PF 40PF 50PF 60PF 70PF 80PF BOILER FAN 229421
Excellent - Refurbished
·
Vaillant
£37.62
Free postage
Est. delivery
Thu, Aug 14
50 sold
Refurbished on eBay
A+++
E
A+++
**SEALED Vaillant PCB Display 0020244433 New **FREE 24 HOUR DELIVERY!!
Brand new
·
Vaillant
(1)
£34.95
Free postage
Est. delivery
Thu, Aug 14
A+++
E
A
VAILLANT ECOTEC PRO 24 28 DIVERTER VALVE 0020020015 NEW
Brand new
·
Vaillant
£39.80
(£39.80/Unit)
Free postage
Est. delivery
Thu, Aug 14
167 sold
A+++
G
A+++
VAILLANT ecoTEC Pro 24 28 Plus 612 615 618 624 PUMP 3 WIRE 178983 59866553
New (other)
·
Vaillant
(13)
£42.55
(£42.55/Unit)
Free postage
Est. delivery
Thu, Aug 14
111 sold
A+++
G
A+++
Results Pagination - Page 1
1
2
3
4
5
6
7
8
9
10