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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: 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
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
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Part No. 0020020744 Superceded No. 801666 // 2000801312 // S1049700 This Expansion Vessel Fits The Following Glowworm Boilers: Manufacturer Boiler Model Boiler GC No. Glowworm Flexicom 18 SX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
Alpha 1.030996 Expansion Vessel Eco / Intec Genuine Part
Hot -39 %
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 Alpha Intec 34C 47-532-..
£139.99 £84.99
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...
£34.99
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..
£33.99
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..
£46.68
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: Imera Product Code: EV200
Manifold For Expansion Vessel. ..
£8.28
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 ..
£99.99
Manufacturer: Imera Product Code: EV290
Wall Bracket For Expansion Vessel ..
£5.04
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..
£21.99
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...
£34.99
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..
£38.99
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..
£45.99
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
Alpha 1.023560 Expansion Vessel 8 Litre
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
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