DIY store & garden faucet plumbing boiler boiler expansion vessel

Boiler expansion vessel deals

This overview is created through the algorithmic evaluation of the products we found for your query. We endeavor to identify suitable products for you based on information on manufacturer specifications and prices. Our site is intended to provide a starting point for your purchasing decision. We would like to point out that we have not tested the products ourselves. We link to selected partner shops and generally receive compensation when you click on these links. Further information can be found here. Prices include VAT, plus shipping if applicable. Information on shipping times and delivery costs may depend on the address, time of order, and customer status (e.g., Amazon Prime) and therefore vary. Changes to prices, delivery times, and shipping costs are possible. The stated remaining period for limited-time offers comes directly from the respective partner shop. Promotions can end prematurely or be extended; the information on the shop website is always decisive. We do not verify this information. All information is provided without guarantee.

🏅 89 boilers expansion vessel in price comparison
💶 Current offers and discounts
🕝 Last updated on today 01:31

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Expansion Vessel Replacement for Vaillant 181051 Bundle with Pressure Relief Valve 178985

Bundle containing Expansion Vessel 181051 and Pressure Relief Valve 178985

£ 59.87 free delivery

To the offer

VAILLANT ECOTEC PLUS VU 612 615 618 624 630 637 EXPANSION VESSEL 181051

Brand Vaillant

£ 45.97 free delivery

To the offer

HTS - Worcester Boiler Expansion Vessel (6L) 87161055450

Perfect Compatibility Specifically designed for use with Worcester boilers, this 6L Expansion Vessel replaces part number 87161055450, providing a direct and reliable fit.

£ 49.00 free delivery

To the offer

HEATLINE CAPRIZ Plus 24 24a 28 28a Boiler 8 LTR Expansion Vessel 0020126680

HEATLINE

£ 6.99 free delivery

To the offer

Boiler Expansion Vessel Kit Compatible Ideal Independent Combi Esp 177540 & PRV 175413 & 176610

Fit Models Ideal I Mini C30

£ 69.50 free delivery

To the offer

VAILLANT ECOTEC VUW PRO 24 28 EXPANSION VESSEL 181051 - Vaillant Alloy Steel Flat Washer - Expansion Vessel Washer

Brand Vaillant

£ 44.97 free delivery

To the offer

Ariston Water Heater Expansion Vessel Kit A

Weight 1.5kg

£ 30.99 free delivery

To the offer

Aquasystem 24 Litre Potable Expansion Vessel with 3/4" Connection

DOES NOT INCLUDE BRACKET

£ 48.95 free delivery

To the offer

VIESSMANN VITODENS 100 WB1A 24KW System Boiler Expansion Vessel 7823844

Viessmann

£ 133.33

To the offer

Glowworm Ultracom/Flexicom 24CXI 30CXI 38CXI & 18SX 30SX 24CX 30CX 35CX 8 Litre Boiler Expansion Vessel 0020020744 (2000801312 801312 801666 S1049700)

Capacity 8 Litre

£ 60.00 free delivery

To the offer

Varem Expansion Vessel Potable 2 Litre With Check Valve

Varem expansion vessel potable 2 litre with check valve

£ 26.68 free delivery

To the offer

BIASI Advance Plus 25C 30C 35C Boiler Expansion Vessel BI1462100

Biasi

£ 57.00

To the offer

VOKERA Compact 24 SE 25 25 A 29 & 29 A Boiler Expansion Vessel 20138101VOKERA Compact 24 SE 25 25 A 29 & 29 A Boiler Expansion Vessel 20138101

High quality product.

£ 85.00 free delivery

To the offer

Zilmet - Ultra Pro 24 Litre Potable Expansion Vessel C/W Bracket 20014

Zilmet - Ultra Pro 24 Litre Potable Expansion Vessel C W Bracket 20014

£ 52.79 free delivery

To the offer

100L Pressure Tank Vessel Expansion for Domestic Waterworks Pump EPDM-Membrane Drinking Water

The water only comes into contact with the membrane.

£ 124.99 free delivery

To the offer

Aquasystem AR18 18 Litre 3.5 Bar Expansion Vessel XVES050051

This product does NOT come with a bracket. It is essential to confirm that this is the correct vessel before making a purchase!

£ 46.99 free delivery

To the offer

POTTERTON POWERMAX 24 HE & HE 85 115 150 Boiler Expansion Vessel 12L 5106287

Potterton

£ 191.62

To the offer

Altecnic - ERES 8 Litre Potable Expansion Vessel & Sealed System Kit ER-PV8

Altecnic ERES

£ 55.72 free delivery

To the offer

Arctic Hayes 221004 Expansion Pressure Vessel Service Kit

Designed for use on pressure and expansion vessels with schrader valve

£ 15.76

To the offer

SPARES2GO Expansion Vessel for Baxi Duo-Tec Megaflo Promax Platinum Titanium Gold Combi Boiler (8L, 3.0 Bar)

Capacity 8 Litres -- Length 438mm -- Width 250mm -- Height 86mm -- Weight 4.75KG

£ 69.49 free delivery

To the offer

HALSTEAD ACE HE 24 30 35 & HALSTEAD CLUB HE 18 BOILER EXPANSION VESSEL 451020

HALSTEAD

£ 60.00 free delivery

To the offer

WORCESTER 2000 25KW & 30KW BOILER EXPANSION VESSEL 87186506550

WORCESTER

£ 63.05

To the offer

Zilmet 18 Litre Heating Expansion Vessel & Mounting Bracket

Precharge 2 bar Pmax 4 bar Connection (BSP) 3 4" G

£ 39.87 free delivery

To the offer

GRANT Expansion Vessel 12Ltr, Plastic, Round, CISTERN

12 litres

£ 110.00 free delivery

To the offer

HTS - Baxi Potterton Main Boiler Expansion Vessel (10L) & Pressure Relief Valve (PRV) 5114692 248056

Perfect Compatibility Tailored to fit Baxi Potterton Main boilers, including models requiring the 10L Expansion Vessel (5114692) and Pressure Relief Valve (248056), ensuring a precise and secure fit.

£ 66.49 free delivery

To the offer

Ariston Kit A 406801 2 Litre Expansion Vessel & Non-Return Valve Elbi Alternative

Generic

£ 27.99 ~~£ 28.99~~

To the offer

Compatible with Ideal Logic Combi 30 Boiler Expansion Vessel 175551 176464

Package Include 1 Expansion Vessel and 1 O-Ring Washer

£ 62.95 free delivery

To the offer

Baxi Expansion Vessel for Combi Boilers 8 Litre Stainless Steel Red

CIMM Part No. RP250

£ 61.11 free delivery

To the offer

Worcester Greenstar CDi 25/29/30/34/35/38/40/42 & Camray 10L Expansion Vessel 8716122434 (87154072960) (H31-941) - Hanicks

Size 10 Litre

£ 90.00 free delivery

To the offer

18 Litre Aquasystems ARB18 Potable Expansion Vessel 3 Bar with Integrated Bracket - XVES050055

WRAS Approved

£ 49.95 free delivery

To the offer

VOKERA Vision 25 C 30 C 20 S & 25 S Boiler Expansion Vessel 20138101

Vokera

£ 85.00 free delivery

To the offer

Vaillant Boiler Heating Expansion Vessel Complete with Washer 181051

Vaillant

£ 59.84 free delivery

To the offer

12 Litre Varem Extravarem Potable Expansion Vessel 3/4" Connection

3 4" Connection

£ 35.99 free delivery

To the offer

Baxi Duotec & Platinum 24HE & 28HE Potterton Gold 8L Expansion Vessel 5114691

Direct replacement for a failed Expansion Vessel

£ 34.99 free delivery

To the offer

HEATLINE Monza 24 24a 28 28a Boiler 8 LTR Expansion Vessel 0020126680

HEATLINE

£ 65.00 free delivery

To the offer

SPARES2GO Potable Water Expansion Vessel 2 Litre 4 Bar 1/2" BSP Male Mini Pressure Tank

Arrives boxed in protective packaging

£ 20.29 free delivery

To the offer

Zilmet 12 Litre Heating Expansion Vessel & Mounting Bracket

Precharge 2 bar Pmax 4 bar Connection (BSP) 3 4" G

£ 36.62 free delivery

To the offer

HTS - Ideal Boiler Expansion Vessel (8L) 177540

8-Litre Capacity Provides ample volume to manage the thermal expansion of water in domestic heating systems, maintaining optimal pressure levels.

£ 55.00 free delivery

To the offer

Ideal Logic Plus + Combi 24 30 35 Boiler Expansion Vessel 175551 PRV 175413

Package Include 1 Expansion Vessel and 1 O-Ring Washer

£ 74.95 free delivery

To the offer

5 Litre Potable Expansion Vessel Suitable Replacement for Zilmet, Eres & Inta

With the ability to absorb and regulate excess pressure from your boiler or cylinder, it ensures efficient and safe operation.

£ 27.99 free delivery

To the offer

Varem Expansion Vessel

Varem Expansion Vessel 2 Litre

£ 24.72 free delivery

To the offer

18 Litre Aquasystems ARB18 Potable Expansion Vessel 3.5 Bar with Integrated Bracket - XVES050056

WRAS Approved

£ 50.95 free delivery

To the offer

Zilmet - Ultra Pro 19 Litre Potable Expansion Vessel C/W Bracket 1100001951

Brand Zilmet

£ 44.34 free delivery

To the offer

HTS - Glowworm Boiler Expansion Vessel (8L) + Pressure Relief Valve (PRV) 0020020744 801666 178985

8L Expansion Vessel The 8-liter expansion vessel efficiently absorbs the increase in pressure caused by thermal expansion of water within the system, protecting the boiler and associated components.

£ 59.87 free delivery

To the offer

Boiler Expansion Vessel Compatible with Vaillant 20237676

Fit Models ECOFIT PURE 612 SYSTEM VU 126 6-3 (H-GB), ECOFIT PURE 615 SYSTEM VU 156 6-3 (H-GB), ECOFIT PURE 618 SYSTEM VU 186 6-3 (H-GB), ECOFIT PURE 630 SYSTEM VU 306 6-3 (H-GB), ECOFIT PURE 825 COMBI VUW 256 6-3 (H-GB), ECOFIT PURE 830 COMBI VUW 306 6-3 (H-GB), ECOFIT PURE 835 COMBI VUW 356 6-3 (H-GB), SUSTAIN 825 VUW 256 6-3 (H-GB), SUSTAIN 830 VUW 306 6-3 (H-GB), SUSTAIN 835 VUW 356 6-3 (H-GB), SUSTAIN 24 VUW 246 7-2, SUSTAIN 28 VUW 286 7-2, SUSTAIN 34 VUW 346 7-2.

£ 58.49 free delivery

To the offer

MAIN COMBI 30 ECO & 30 ECO ELITE BOILER EXPANSION VESSEL 10 LITRE 5114692

Brand Baxi

£ 85.00 free delivery

To the offer

24 Litre Heating Expansion Vessel with Bracket Suitable Replacement for Zilmet, Eres, Flamco & Varem

With the ability to absorb and regulate excess pressure from your boiler or cylinder, it ensures efficient and safe operation.

£ 38.99 free delivery

To the offer

25 Litre Varem Extravarem Heating Expansion Vessel Red 3/4" Connection

3 4" Connection

£ 36.99 free delivery

To the offer

HTS Boiler Expansion Vessel Compatible with Glowworm ULTRACOM 2 Expansion Vessel 0020097328 & Pressure Relief Valve 0020014173

Easy Installation Designed for quick and straightforward installation, minimizing downtime and simplifying maintenance or replacement.

£ 67.36 free delivery

To the offer

Zilmet - Ultra Pro 12 Litre Potable Expansion Vessel C/W Bracket 1100001220

Brand Zilmet

£ 41.97 free delivery

To the offer

BOILER EXPANSION VESSEL Compatible With BIASI Advance 25C / 30C / 35C BI1462100

Fit For Advance 25C Advance 25S Advance 30C Advance 30S Advance 35C

£ 64.99 free delivery

To the offer

Baxi Combi 80E 105E 105HE Potterton Performa 24 28 30HE Expansion Vessel 248024

Fits Potterton Performa 24 & 28 Boilers

£ 64.70 free delivery

To the offer

GRANT Expansion Vessel 12Ltr, Plastic, Round, CISTERN

12 litres

£ 59.00 free delivery

To the offer

Altecnic – ERES 35 Litre Potable Expansion Vessel – ER-PV35

Connection 1 MBSP

£ 89.87 free delivery

To the offer

12 Litre Varem Extravarem Heating Expansion Vessel Red with Bracket

With Bracket

£ 34.55 free delivery

To the offer

HTS - Boiler Expansion Vessel Compatible with Vaillant ECOTEC Plus, ECOTEC Exclusive, ECOTEC VUW, and ECOMAX VU (10L) (181051)

Easy to Install Designed for quick and straightforward installation, reducing downtime and keeping your system running efficiently.

£ 56.13 free delivery

To the offer

Zilmet - 12 Litre Heating Expansion Vessel & Sealed System Kit Z1-301012

Includes Zilmet 12 Litre Heating Expansion Vessel

£ 55.64 free delivery

To the offer

Boiler Expansion Vessel Kit Ideal Logic Combi with Adepter & PRV 35177540

Fit Models I MINI 24 - 47-348-77, I MINI 30 - 47-348-78, +C24 - 47-348-85, +C30 - 47-348-86, +C35 - 47-348-87, INDEPENDENT C24 - 47-348-68, INDEPENDENT C30 - 47-348-69, INDEPENDENT C35 - 47-348-70, LOGIC + COMBI 24 - 47-348-65, LOGIC + COMBI 30 - 47-348-66, LOGIC + COMBI 35 - 47-348-67, LOGIC CODE COMBI 26 - 47-348-74, LOGIC CODE COMBI 33 - 47-348-75, LOGIC CODE COMBI 38 - 47-348-76, LOGIC COMBI 24 - 47-348-56, LOGIC COMBI 30 - 47-348-57, LOGIC COMBI 35 - 47-348-58, ULTRA COMBI 30 - 47-002-01

£ 84.65 free delivery

To the offer

Altecnic 2 Litre Expansion Vessel - Alternative to Varem

Code PV2M

£ 26.97 free delivery

To the offer

Baxi Duo-Tec Potterton Promax Expansion Vessel 5114692

Fits Potterton Gold 33HE Boilers

£ 85.00 free delivery

To the offer

Baxi Duotec & Platinum 24HE & 28HE Potterton Gold 8L Expansion Vessel 5114691

Direct replacement for a failed Expansion Vessel

£ 52.27 free delivery

To the offer

HTS Boiler Expansion Vessel Compatible with BAXI Duo TEC Combi 24 28 HE & HE A, Platinum Combi 24 28 HE & 24 28 HE Expansion Vessel 8 Litre 5114691 & Pressure Relief Valve 248056

Safety First Includes a pressure relief valve to release excess pressure, protecting your boiler system from damage.

£ 61.99 free delivery

To the offer

Zilmet 0.16Ltr Potable Expansion Vessel Shock Arrestor & 15mm Tee

15mm Tee PV016C

£ 22.35 free delivery

To the offer

Expansion Vessel Compatible With Alpha CIMM RP250 8L 1.030996 PRV 1.028643

Fit Models ALPHA CD 12S, ALPHA CD 18S , ALPHA CD 20S , ALPHA CD 24S, ALPHA CD 30S

£ 89.50 free delivery

To the offer

HEATLINE CAPRIZ Plus 24 24a 28 28a Boiler 8 LTR Expansion Vessel 0020126680

HEATLINE

£ 65.00 free delivery

To the offer

8 Litre Heating Expansion Vessel with Bracket Suitable Replacement for Zilmet, Eres, Flamco & Varem

With the ability to absorb and regulate excess pressure from your boiler or cylinder, it ensures efficient and safe operation.

£ 29.99 free delivery

To the offer

HTS - Vaillant Boiler Expansion Vessel (10L) & Pressure Relief Valve (PRV) 181051 96008LA

Compatibility Designed specifically for use with Vaillant boilers, ensuring a perfect fit and reliable performance.

£ 57.37 free delivery

To the offer

Compatible with Ideal Instinct 24 30 35 Boiler Expansion Vessel 175551 Original PRE Prefix ACE

Package Include 1 Expansion Vessel and 1 O-Ring Washer

£ 62.95 free delivery

To the offer

Zilmet - 18 Litre Red Heating Expansion Vessel & Sealed System Kit Z1-301018 (Amazon)

Brand Zilmet

£ 58.70 free delivery

To the offer

Aspares Boiler Expansion Vessel for Glowworm Ultracom 2-0020097328 & PRV 0020014173

Package Include 1 Expansion Vessel and 1 O-Ring Washer

£ 62.99 free delivery

To the offer

HTS - Vokera Boiler Expansion Vessel 8L 20138101 20029826

Tailored for Vokera Boilers Specifically designed for boilers requiring expansion vessels with part numbers 20138101 and 20029826, ensuring a precise fit and reliable functionality.

£ 63.99 free delivery

To the offer

HTS Boiler Expansion Vessel Compatible with Main Combi 25 ECO & 25 ECO Elite Expansion Vessel 8 Litre 5114691 & Pressure Relief Valve 248056

Perfect Compatibility Specifically designed for Main Combi 25 ECO and 25 ECO Elite models, replacing part numbers 5114691 and 248056.

£ 61.99 free delivery

To the offer

Zilmet - 19 Litre Potable Expansion Vessel & Bracket 11H0001951

Connection 22mm

£ 42.22 free delivery

To the offer

HTS - Worcester Greenstar Expansion Vessel & Pressure Relief Valve (PRV) 87161055450 87161064310

Easy Installation Designed for straightforward installation, either by a professional engineer or experienced DIYer, reducing system downtime and repair costs.

£ 64.99 free delivery

To the offer

Zilmet - 8 Litre Red Heating Expansion Vessel & Sealed System Kit Z1-301008

Tesla Sealed System Installation Kit - EVCKIT

£ 53.22 free delivery

To the offer

Zilmet - Ultra Pro 24 Litre Potable Expansion Vessel C/W Bracket 20014

Zilmet - Ultra Pro 24 Litre Potable Expansion Vessel C W Bracket 20014

£ 56.72 free delivery

To the offer

HTS - Boiler Expansion Vessel for Glowworm 24CXI, 30CXI, 38CXI, 18SXI, 30 (8L) - 801666, 2000801312, 0020020744

Compatibility Perfect fit for Glowworm 24CXI, 30CXI, 38CXI, 18SXI, and 30 models.

£ 62.98 free delivery

To the offer

Boiler Expansion Vessel 0020097328 for Glowworm BETACOM 24 24A 28 28A

Package Include 1 Expansion Vessel and 1 O-Ring Washer

£ 69.50 free delivery

To the offer

Zilmet 12 Litre Heating Expansion Vessel by Zilmet

Shell Carbon Steel, Water Connections Carbon Steel, Membrane Synthetic Butyl Rubber (SBR)

£ 32.99 free delivery

To the offer

HTS - Vokera Boiler Expansion Vessel 8L 20138101 + PRV 20044364

Easy Installation Straightforward design for hassle-free replacement, ideal for professional installers or experienced DIY enthusiasts.

£ 68.00 free delivery

To the offer

Zilmet 8 Litre Heating Expansion Vessel & Mounting Bracket

Zilmet

£ 36.64 free delivery

To the offer

Boiler Expansion Vessel 8 Litre Compatible with Potterton Apollo Series - 5114691

Fit For Apollo 25 HE

£ 57.49 free delivery

To the offer

HTS Boiler Expansion Vessel Compatible with POTTERTON HEATMAX Combi 24HE 28HE, PROMAX Combi 24 28 HE & HE Plus A Expansion Vessel 8 Litre & Pressure Relief Valve 5114691

Perfect Compatibility Designed for Potterton Heatmax Combi 24HE & 28HE and Promax Combi 24, 28 HE & HE Plus A, replacing part number 5114691.

£ 61.99 free delivery

To the offer

HTS - Glowworm Boiler Expansion Vessel (8L) + Pressure Relief Valve 0020020744 0020275015

8L Expansion Vessel Prevents pressure fluctuations by managing the expansion of heated water in your boiler.

£ 73.50 free delivery

To the offer

HTS - Baxi Potterton Main Boiler Expansion Vessel (10L) 5114692

Pressure Stabilization Effectively absorbs excess pressure caused by thermal expansion, preventing stress on your boiler and pipework.

£ 61.00 free delivery

To the offer

Boiler Expansion Vessel Compatible with BIASI INOVIA 16S / 25S BI1462100

Fit For INOVIA 16S INOVIA 25C INOVIA 25C ERP INOVIA 25S INOVIA 25S ERP INOVIA 30C INOVIA 30C ERP INOVIA 35C INOVIA 35C ERP

£ 64.99 free delivery

To the offer

HTS - Baxi Potterton Main Gas Spare Expansion Vessel Tube 720778201

Compatible Replacement Specifically designed for use with Baxi and Potterton boilers that require the 720778201 expansion vessel tube.

£ 15.00 free delivery

To the offer

HTS - Universal Repair Kit (Re-Pressurising) for All Boiler Expansion Vessels

Complete Kit Includes all necessary components for re-pressurisation and basic expansion vessel maintenance.

£ 19.99 free delivery

To the offer

HTS Boiler Expansion Vessel Compatible with Ariston Genus MMFI Boiler Expansion Vessel 573294

Ariston Part Number is 573294

£ 75.00 free delivery

To the offer

The most popular brands are: HTS, Zilmet, and Aspares. The lowest price we found in our deals is £ 6.99 . The highest price in our price comparison is £ 191.62 .

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🏅 89 boilers expansion vessel in price comparison

Our offer Which.One enthält Links zu Partner-Shops, über die wir in der Regel eine Provision erhalten. Die dargestellten Preis und Produktinformationen stammen aus ausgewählten Partner-Shops. Mehr Informationen finden Sie auf der Über uns Seite.

Our offer

Which.One enthält Links zu Partner-Shops, über die wir in der Regel eine Provision erhalten. Die dargestellten Preis und Produktinformationen stammen aus ausgewählten Partner-Shops. Mehr Informationen finden Sie auf der Über uns Seite.