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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   Produ..
£95.99
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
Glowworm 0020020744 8 Litre Expansion Vessel  8000166 Glowworm 0020020744 8 Litre Expansion Vessel  8000166
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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Part No. 0020020744 Superceded No. 801666 // 2000801312 // S1049700 This Expansion Vessel Fits The Following Glowworm Boilers: Manufacturer Boiler Model Boiler GC No. Glowworm Flexicom 18 SX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..
£74.99
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..
£17.40
Manufacturer: Imera Product Code: EV112
Expansion Vessel Imera 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..
£21.48
Manufacturer: Imera Product Code: EV118
Expansion Vessel Imera 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 Bar..
£23.89
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
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