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..
£58.99
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: Ferroli
Product Code: EV4890
FERROLI EXPANSION VESSEL
PART NO. 39804890FITS THE FOLLOWING BOILERS:DOMINA 80EDOMINA 80NF24 EMODENA 80/1MODENA 80ETEMPRA 12,18,24
..
£89.99
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
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: 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
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..
£115.00
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
..
£12.99
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