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.
Hot
Manufacturer: Caleffi
Product Code: 525040
Water hammer arrester
Brass body. Chrome plated
Max. working pressure: 10 bar
Max. working temperature: 90°C
PTFE seal on threadApplication
If the pressure in a system is high, the water when flowing has a greater
momentum which when brought to a sudden halt, will create a shock
effect causi..
£34.99
Manufacturer: Alpha
Product Code: ALEV4655
Part No.
1.014655
This Part Fits The Following Appliances:
Manufacturer
Boiler Model
Boiler GC No.
Alpha
CB50
47-532-18
Alpha
CB50 LPG
Alpha
CD50
47-532-24
Alpha
CD50 LPG
Product Information..
£134.99
Manufacturer: Ariston
Product Code: AREV8616
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 cause..
£84.99
Manufacturer: Baxi
Product Code: BAEV0388
THIS PART ALSO FITS THE FOLLOWING : BAXI 100 HE
BAXI 3 PFL 60 & 70 SYSTEM
BAXI BAHAMA 100
BAXI BAHAMA 100 (SIT)
BAXI BARCELONA SYSTEM
BAXI COMBI 80 HE PLUS
BAXI COMBI 100 HE PLUS
BAXI COMBI 130 HE
BAXI COMBI 133 HE PLUS
POTTERTON PROMAX HE SYSTEM
BAXI SOLO 3 30 PF S..
£74.99
-16 %
Manufacturer: Biasi
Product Code: BIEV2103
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 cause..
£54.99 £45.99
Hot
Manufacturer: Glowworm
Product Code: EV0744
Part No.
0020020744
Superceded No.
801666 // 2000801312 // S1049700
This Expansion Vessel Fits The Following Glowworm Boilers:
Manufacturer
Boiler Model
Boiler GC No.
Glowworm
Flexicom 18 SX
41-315-72
Glo..
£89.99
Hot
Manufacturer: Alpha
Product Code: EV0996
Part No.
1.030996
This Expansion Vessel Fits The Following Boilers:
Manufacturer
Boiler Model
Boiler GC No.
Alpha
Eco
47-532-59
Alpha
Intec 26C
47-532-47
Alpha
Intec 30C
47-532-48
..
£115.99
Manufacturer: Imera
Product Code: EV108
Expansion Vessel Imera 8 LitreRed Heating Expansion Vessel, 3/4" ConnectionExpansion Vessel With Fixed Membrane For Central Heating And Boiler Systems.Carbon Steel Body With Red Paint Finish, Carbon Steel Flange.Max. System Temperature - 99ºc. Max.Pressure Of Vessel - 10 Bar.Connec..
£25.74
Manufacturer: Imera
Product Code: EV112
Expansion Vessel 12 LitreRed Heating Expansion Vessel Stainless Steel Flange, 3/4" ConnectionExpansion Vessel With Replaceable Membrane For Solar Energy Systems.Carbon Steel Body With Red Epoxy Polyester Paint Finish,Stainless Steel Flange.Max. System Temperature - 99ºc.Max...
£38.99
Manufacturer: Imera
Product Code: EV118
Expansion Vessel 18 LitreRed Heating Expansion Vessel, 3/4" ConnectionExpansion Vessel With Fixed Membrane For Central Heating And Boiler Systems.Carbon Steel Body With Red Epoxy Polyester Paint Finish, Carbon Steel Flange.Max. System Temperature - 99ºc. Max. Pressure Of Vessel - 5 B..
£39.99
Manufacturer: Imera
Product Code: EV135
Varem 35 Litre Red Heating Expansion VesselWith, 3/4" ConnectionExpansion Vessel With Feet And Diaphragm MembraneFor Central Heating And Boiler Systems.Carbon Steel Body With Red Epoxy Polyester Paint Finish,Carbon Steel Flange.Max. System Temperature - 99ºc.Max. Pressure Of V..
£52.99
Manufacturer: Imera
Product Code: EV150
Expansion Vessel Imera 50 LitreRed Heating Expansion Vessel With, 3/4" ConnectionExpansion Vessel With Feet And Diaphragm Membrane For Central Heating And Boiler Systems.Carbon Steel Body With Red Epoxy Polyester Paint Finish, Carbon Steel Flange.Max. System Temperature - 99ºc. Ma..
£94.80
Manufacturer: Other
Product Code: EV211
Expansion Vessel Extension:Allows You To Leave The Filling Point Of The Expansion Vessel At The Desired Point In The Boiler Permanently.
..
£11.70
Manufacturer: Ferroli
Product Code: EV2140
Part No.
39812140
This Part Fits The Following Appliances:
Manufacturer
Boiler Model
Boiler GC No.
Ferroli
Domicompact F24B - 01-09-2006
47-267-37
Ferroli
Domicompact F24B - 03-05-2005
47-267-37
Ferroli
Domicompact F24D
..
£120.00
Manufacturer: Worcester
Product Code: EV2960
WORCESTER expansion vessel 10L 87154072960This part fits the following appliances:
Manufacturer
Appliance Model
Worcester
BRITISH GAS 430i RSF - LPG
Worcester
BRITISH GAS 430i RSF - NATURAL GAS
Worcester
BRIT..
£115.99
Manufacturer: Imera
Product Code: EV300
Water Hammer Arrestor 0.16 Litre Extravarem Capacity : 160Ml Maximum Working Pressure : 15 Bars Anti Water Hammering : 20 Bars Max. Temprature : 100 C Preload Pressure : 3.5 Bars Connection : 1/2" Male Membrane For Drinking Water: Butyl Shock Arrestor For Combi Boilers
..
£17.94
Manufacturer: Imera
Product Code: EV302
Varem 2 Litre White Potable Water Expansion Vessel With 1/2" Connection Expansion Vessel With Fixed Membrane For Domestic Hot Water Systems. Carbon Steel Body With White Epoxy Polyester Paint Finish, Stainless Steel Flange. Max. System Temperature - 99ºc. Max. Pressure Of Vessel - 2 Litre 10 Bar All..
£28.99
Manufacturer: Imera
Product Code: EV308
Imera 8 Litre Blue Potable Water Expansion Vessel With 3/4" Connection.Expansion Vessel With Fixed Membrane For Domestic Hot Water Systems.Carbon Steel Body With White Epoxy Polyester Paint Finish, Stainless Steel Flange.Max. System Temperature - 99ºc.Max. Pressure Of Vessel - 8 Bar...
£44.99
Manufacturer: Imera
Product Code: EV312
Expansion Vessels Imera 12 LitreBlue Potable Water Expansion Vessel With 3/4" ConnectionExpansion Vessel With Fixed Membrane For Domestic Hot Water Systems.Carbon Steel Body With White Epoxy Polyester Paint Finish, Stainless Steel Flange. Max.System Temperature - 99ºc.Max. Pressu..
£44.99
Manufacturer: Imera
Product Code: EV318
Expansion Vessels Imas 18 LitreWhite Potable Water Expansion Vessel With 3/4" ConnectionExpansion Vessel With Fixed Membrane For Domestic Hot Water Systems.Stainless Steel Flange. Max.System Temperature - 100ºc. Max. Pressure Of Vessel - 8 Bar.Connection - ¾" please note..
£49.00
Manufacturer: Imera
Product Code: EV324
Imera 24 Litre Blue Potable Water Expansion Vessel With 3/4" Connection.Expansion Vessel With Fixed Membrane For Domestic Hot Water Systems.Carbon Steel Body With White Epoxy Polyester Paint Finish, Stainless Steel Flange.Max. System Temperature - 100ºc. Max.Max Pressure Of Vessel - ..
£52.99
Special Offer
-6 %
Manufacturer: Alpha
Product Code: EV3560
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..
£89.99 £84.99
Manufacturer: Worcester
Product Code: EV3890
WORCESTER EXPANSION VESSEL 12L (65/95) 87161083890This part is compatible with the following appliances:
Manufacturer
Appliance Model
Worcester
Worcester Bosch CLASSIC SYS 70/90S
Worcester
Worcester Bosch, CLASSIC SYS 70/90SA
Worcester
Worcester Bos..
£59.99