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Expansion Vessels

An expansion vessel is a tank used in heating systems and in boilers. It's main purpose it to accomodate the expanded water in your heating system at it heats up. Without it the pressure in the sytem would rise and cause the pressure relief valve to open up and release the expanded water.
Manufacturer: Worcester Product Code: EV3900
WORCESTER EXPANSION VESSEL 18L 87161083900This part fits the following appliances:   Manufacturer Appliance Model Worcester  CAMRAY 5 95/130 SYSTEM Worcester  CAMRAY 5 95/130 UTILITY SYSTEM Worcester  CAMRAY QUARTET SYSTEM 110/150 Worceste..
£92.99
Manufacturer: Ferroli Product Code: EV400
WILL FIT:SARI GAS BOILERSICON 23T /28TIDEAL (172529, BI1182105)PART NO.: 004002563SUPERSEDED: S004002563SABRE 29HE SYSTEMBIASI GARDA HE M96 BIASI GARDA M90E BIASI GARDA M90F BIASI PARVA M90 BIASI RIVACOMPACT HE M96 BIASI RIVACOMPACT M90E BIASI RIVACOMPACT M90FPART NO.: BI1172103FER..
£54.60
 Vaillant Expansion Vessel For  Vaillant Boilers 181051  Vaillant Expansion Vessel For  Vaillant Boilers 181051
Hot Free Shipping Special Offer -20 %
Manufacturer: Vaillant Product Code: EV450
Part No. 181051 This Expansion Vessel Fits The Following Boilers: Manufacturer Boiler Model Boiler GC No. Vaillant ecoMAX 613/2 E VU 126/2-C 41-044-27 Vaillant ecoMAX 618 VU 196 E-C 41-044-21 Vaillant..
£99.99 £79.99
Vaillant Expansion Vessel Vaillant  Boilers 181051 c/w Safety Valve 178985 Vaillant Expansion Vessel Vaillant  Boilers 181051 c/w Safety Valve 178985
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Manufacturer: Vaillant Product Code: EV450SV
Includes Safety Valve And Washers   Part No. 181051 + 178985 This Part Fits The Following Appliances: Manufacturer Boiler Model Boiler GC No. Vaillant Ecomax 613 - Vu126E Condensing System   Vaillant Ecomax 613/2..
£69.99
Manufacturer: Baxi Product Code: EV4691
This Part Fits the following appliances: Manufacturer Appliance Model GC Number Baxi DUOTEC 24HE 47-075-23 Baxi DUOTEC 28HE 47-075-25 Baxi DUO-TEC COMBI 24 HE A   Baxi DUO-TEC COMBI 28 HE..
£54.99 £49.99
Manufacturer: Baxi Product Code: EV4692
This Part Fits the following appliances: Manufacturer Appliance Model GC Number Baxi DUOTEC 33HE 47-075-24 Baxi DUOTEC 40HE 47-075-26 Baxi DUO-TEC COMBI 33 HE A   Baxi PLATINUM 33HE COMBI   Baxi PLATINUM..
£49.99 £44.99
Manufacturer: Ferroli Product Code: EV4890
FERROLI EXPANSION VESSEL PART NO. 39804890FITS THE FOLLOWING BOILERS:DOMINA 80EDOMINA 80NF24 EMODENA 80/1MODENA 80ETEMPRA 12,18,24 ..
£79.99
Manufacturer: Worcester Product Code: EV5000
WORCESTER Expansion Vessel CDi 87161425000This part fits the following appliances:   Manufacturer Appliance Model Worcester 15SBi RSF FAN FLUED Worcester 24CDi BF COMBI - NATURAL GAS Worcester 24CDi OF COMBI - LPG Worcester 24CDi OF ..
£98.99
Manufacturer: Worcester Product Code: EV5020
WORCESTER 8Lt Expansion Vessel 24i 28i RSF 87161425020This part fits the following appliances:  Manufacturer Appliance Model Worcester 24i RSF COMBI - NATURAL GAS Worcester 28i RSF COMBI - NATURAL GAS Worcester GREENSTAR FSN-GB NG C..
£90.00
Manufacturer: Worcester Product Code: EV5030
WORCESTER MINI EXPANSION VESSEL - HA50 87161425030This part fits the following appliances:   Manufacturer Appliance Model Worcester 24i RSF COMBI - NATURAL GAS Worcester 28i RSF COMBI - NATURAL GAS  ..
£41.75
Worcester Expansion Vessel 10L 87161425040
2-4 Days
Manufacturer: Worcester Product Code: EV5040
WORCESTER EXPANSION VESSEL 10L 87161425040This part fits the following appliances:   Manufacturer Appliance Model Worcester 240 OF Worcester 240 BF Worcester 240 RSF Worcester Danesmoor System Boiler 12/14 Worcester Danes..
£125.99
Manufacturer: Worcester Product Code: EV5050
WORCESTER Expansion Vessel Heatslave 20/25 87161425050  Manufacturer Appliance Model Worcester HEATSLAVE HE 12/18 INTERNAL OIL..
£119.99
Manufacturer: Worcester Product Code: EV5070
WORCESTER Expansion Vessel 400 + Washers 87161425070This part fits the following appliances:   Manufacturer Appliance Model   Worcester HIGHFLOW 400 BF COMBI - LPG   Worcester HIGHFLOW 400 BF COMBI - NATURAL GAS   Worcester..
£105.99
Manufacturer: Worcester Product Code: EV5150
WORCESTER EXPANSION VESSEL 8L 87161425150This part fits the following appliances:  Manufacturer Appliance Model   Worcester 26CDi RSF COMBI - NATURAL GAS   Worcester 26CDi XTRA RSF COMBI - LPG   Worcester 26CDi XTRA RSF..
£108.99
Manufacturer: Worcester Product Code: EV5450
WORCESTER Expansion Vessel 24i Junior 28i junior 87161055450This part fits the following appliances:   Manufacturer Appliance Model Worcester 24i JUNIOR RSF COMBI - LPG Worcester 24i Junior Combi - NG Wor..
£84.98 £69.99
Manufacturer: Worcester Product Code: EV65450
WORCESTER EXPANSION VESSEL 8L 87161165450This part fits he following appliances:   Manufacturer Appliance Model Worcester 24Si II RSF COMBI - NATURAL GAS Worcester 25Si RSF COMBI - LPG Worcester 25Si RSF COMBI - NATURAL GAS Worces..
£89.99
Manufacturer: Worcester Product Code: EV6600
WORCESTER EXPANSION VESSEL 12 LITRE 87161076600This part fits the following appliances:   Manufacturer Appliance Model Worcester GREENSTAR OIL HEATSLAVE HE 12/18 INTERNAL Worcester GREENSTAR OIL HEATSLAVE HE 18/25 INTERNAL Worcester GREENSTAR OIL HE..
£115.99
Baxi 248024 Expansion Vessel 8L
Hot -28 %
Manufacturer: Baxi Product Code: EV8024
Part No. 248024 This Part Fits The Following Appliances: Manufacturer Boiler Model Boiler GC No. Baxi Combi 105 E 47-075-08 Baxi Combi 105 HE 47-075-18 Baxi Combi 80 Eco 47-075-05 ..
£59.99 £42.99
Alpha domestic hot water expansion vessel  1.018837
Hot Free Shipping
Manufacturer: Alpha Product Code: EV8837
Part No. 1.018837 This Expansion Vessel Fits The Following Boilers: Manufacturer Boiler Model Boiler GC No. Alpha CB50 47-532-18 Alpha CB50 LPG   Alpha CD50 47-532-24 Alpha CD50 LPG   A..
£200.00
Manufacturer: Worcester Product Code: EV9294
WORCESTER EXPANSION VESSEL 8716119294 Was 87154072880This part will fit the following appliances: Manufacturer Appliance Model   Worcester GREENSTAR HIGHFLOW 440 RSF COMBI - NATURAL GAS   Worcester GREENSTAR HIGHFLOW 440CDI 7715330041   ..
£129.99
Manufacturer: Ferroli Product Code: FEEV9690
Product Information:An expansion tank or expansion vessel is a small tank used to protect closed (not open to atmospheric pressure) water heating systems and domestic hot water systems from excessive pressure. The tank is partially filled with air, whose compressibility cushions shock caused by w..
£95.16
Manufacturer: Other Product Code: flex1534500
Flexible Tap Connector 15mm compression - 3/4 Inch 500mmCan be used with expansion vessels for easy installation ..
£8.99
Manufacturer: Glowworm Product Code: GLEV107
Part No. 0020061657 This Part Fits The Following Appliances: Manufacturer Boiler Model Boiler GC No. Glowworm Betacom 24C 47-019-08 Glowworm Betacom 30C 47-019-09..
£89.99
Manufacturer: Halstead Product Code: HAEV0999
Product Information:An expansion tank or expansion vessel is a small tank used to protect closed (not open to atmospheric pressure) water heating systems and domestic hot water systems from excessive pressure. The tank is partially filled with air, whose compressibility cushions shock caused by w..
£115.99
Manufacturer: Heatline Product Code: HEEV407
Part No. D003200028 This Expansion Vessel Fits The Following Heatline Boilers: Heatline Capriz 25 47-157-12 Heatline Capriz 28 47-157-13 Heatline Capriz 32 Boiler   Heatline Compact C24 47-157-06 Heatline ..
£89.99
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