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Expansion Vessel and Vessel Pump (43 products)

BES stock the correctly sized expansion vessels to meet your needs. Including our new range of robokit compact vessels for when space is tight. Both types are 8, 12, 18 litre capacity vessels with the standard range having 24, 35, 50, 80, 105, litre capacity. All kitemarked to BS 4814. We also stock safety relief valves, mounting brackets, filling loops and sealed system filling kits. Read more Show less

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Straight Filling Loop with Valve - 15mm

Part number: 15583

Metal braid filling loop comprising a DZR double check valve connected to e...

  • Bulk Savings

    Save when you order 25 or more

Ex. VAT

£7.30

Inc. VAT

£8.76

Remote Filling Loop with Gauge - 15mm Compression

Part number: 22993

A remote filling loop for use in a sealed heating system which allows the e...

Ex. VAT

£16.17

Inc. VAT

£19.40

Expansion Vessel - 18 Litres

Part number: 20245

Sealed systems are the most commonly used form of central heating in Europe.

Ex. VAT

£40.69

Inc. VAT

£48.83

Expansion Vessel - 12 Litres

Part number: 20244

Sealed systems are the most commonly used form of central heating in Europe.

Ex. VAT

£43.04

Inc. VAT

£51.65

Mini Expansion Vessel Shock Arrestor - 1/2" BSP TM

Part number: 11355

Mini expansion vessel is a maintenance free device to accommodate small inc...

  • Bulk Savings

    Save when you order 10 or more

Ex. VAT

£16.39

Inc. VAT

£19.67

Expansion Vessel Central Heating - 35 Litres

Part number: 11637

Sealed system central heating expansion vessel.

Ex. VAT

£37.79

Inc. VAT

£45.35

Expansion Vessel - 24 Litres

Part number: 20246

Sealed systems are the most commonly used form of central heating in Europe.

Ex. VAT

£50.47

Inc. VAT

£60.56

Expansion Vessel Central Heating - 80 Litres

Part number: 22828

Free standing vessel with ¾" BSP TM side connection.Max.

Ex. VAT

£84.54

Inc. VAT

£101.45

Straight Filling Loop with Valve - 15mm

Part number: 8148

15 mm compression, brass stop valve, metal braided flexible hose and DZR do...

  • Bulk Savings

    Save when you order 25 or more

Ex. VAT

£5.72

Inc. VAT

£6.86

Expansion Vessel Central Heating - 24 Litres

Part number: 11636

Sealed system central heating expansion vessel.

Ex. VAT

£26.65

Inc. VAT

£31.98

Expansion Vessel - 8 Litres

Part number: 20243

Sealed systems are the most commonly used form of central heating in Europe.

Ex. VAT

£40.61

Inc. VAT

£48.73

Expansion Vessel Central Heating - 12 Litres

Part number: 11351

Sealed system central heating expansion vessel.

Ex. VAT

£17.67

Inc. VAT

£21.20

Cordless Expansion Pressure Vessel Inflator

Part number: 22757

Vessel Jet is a hand held cordless high pressure air compressor with illumi...

Ex. VAT

£65.88

Inc. VAT

£79.06

Expansion Vessel Central Heating - 18 Litres

Part number: 11352

Sealed system central heating expansion vessel.

Ex. VAT

£22.49

Inc. VAT

£26.99

Rectangular Cold Water Storage Tank 18L - 4 Galls

Part number: 17416

Water storage tank, for feed and expansion.Size : H 365 mm (14") x L 455 mm...

Ex. VAT

£4.86

Inc. VAT

£5.83

Straight Tundish Open - 15mm x 22mm Compression

Part number: 20924

Corrosion resistant, acetal co-polymer straight through tundish provides Ty...

Ex. VAT

£3.86

Inc. VAT

£4.63

Expansion Vessel Central Heating - 50 Litres

Part number: 11638

Sealed system central heating expansion vessel.

Ex. VAT

£61.05

Inc. VAT

£73.26

Expansion Vessel Mounting Bracket

Part number: 11353

Suitable for expansion vessels up to 25 litres.

Ex. VAT

£3.48

Inc. VAT

£4.18

Rectangular Cold Water Storage Tank 114L - 25 Galls

Part number: 17464

Water storage tank, for feed and expansion.Size : H 533 mm (21") x L 736 mm...

Ex. VAT

£37.03

Inc. VAT

£44.44

Pressure Vessel Hand Pump - 3m Hose

Part number: 22203

Hayes heavy duty pressure vessel hand pump with 0 to 5 bar gauge, footplate...

Ex. VAT

£28.46

Inc. VAT

£34.15

Sealed System Filling Kit for Expansion Vessels

Part number: 11354

Sealed system filling kit. Contains all the essential components required f...

Ex. VAT

£27.39

Inc. VAT

£32.87

Expansion Vessel Central Heating - 8 Litres

Part number: 11350

Sealed system central heating expansion vessel.

Ex. VAT

£17.39

Inc. VAT

£20.87

Mini Expansion Vessel Shock Arrestor - 15mm

Part number: 23632

Stainless steel mini expansion vessel is a maintenance free device to accom...

  • New Product

    Just arrived. Latest version, etc.

  • Bulk Savings

    Save when you order 10 or more

Ex. VAT

£19.11

Inc. VAT

£22.93

Straight Tundish Open - 22mm x 1" BSP F

Part number: 22086

Corrosion resistant, acetal co-polymer straight through tundish.

Ex. VAT

£9.31

Inc. VAT

£11.17

Byelaw 30 Kit Complete

Part number: 11454

Byelaw 30 kit complete (England and Wales).

Ex. VAT

£5.67

Inc. VAT

£6.80

Pressure Vessel Service Kit

Part number: 22206

Pressure vessel service kit

Ex. VAT

£10.62

Inc. VAT

£12.74

Straight Filling Loop with Tee - 15mm

Part number: 8165

15 mm compression, brass tee stop valve, metal braided flexible hose and DZ...

  • Bulk Savings

    Save when you order 25 or more

Ex. VAT

£7.02

Inc. VAT

£8.42

Dry Trap Tundish - 15 x 22mm Compression

Part number: 23478

The Teslatun is both a dry trap and a tundish combined, incorporating a sea...

  • New Product

    Just arrived. Latest version, etc.

Ex. VAT

£15.21

Inc. VAT

£18.25

Tank Lid for 114 Litre/25 Gallon Rectangular Tank

Part number: 17465

Lid for water storage tank, for feed and expansion.

Ex. VAT

£17.82

Inc. VAT

£21.38

Tank Lid for 18 Litre/4 Gallon Rectangular Tank

Part number: 17417

Lid for water storage tank, for feed and expansion....

Ex. VAT

£2.80

Inc. VAT

£3.36

Showing 30 out of 43 products

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