Expansion Vessels
Expansion vessels (also known as expansion tanks) are installed on sealed systems to allow for the 4% expansion in water as the system heats up and therefore protect from excessive pressure. The tank is partially filled with air which absorbs excess water pressure caused by thermal expansion. Here at Mr Central Heating we stock the high quality Imera expansion vessels, red heating vessels suitable for sealed heating systems, blue potable vessels for use with unvented water heaters, a small white multifunction vessel for heating systems or domestic hot water and a 162ml shock arrestor to prevent water hammer. We also have a complete range of accessories to assist with installation.
Read more
ThermoWave 18 Litre Unvented Potable Expansion Vessel c/w Bracket
£30.96
£25.80
44 Available for Delivery
Select your local store for Stock Availability.
ThermoWave 24 Litre Unvented Potable Expansion Vessel c/w Bracket
£30.54
£25.45
98 Available for Delivery
Select your local store for Stock Availability.
Flow-Thru 80 L Accumulator Tank
£382.68
£318.90
Available for back-ordered delivery
Select your local store for Stock Availability.
Flow-Thru 170 L Accumulator Tank
£617.22
£514.35
Available for back-ordered delivery
Select your local store for Stock Availability.
Challenger 250 L Accumulator Tank
£558.00
£465.00
20 Available for Delivery
Select your local store for Stock Availability.
Challenger 200 L Accumulator Tank
£492.84
£410.70
23 Available for Delivery
Select your local store for Stock Availability.
Challenger 300 L Accumulator Tank
£595.62
£496.35
26 Available for Delivery
Select your local store for Stock Availability.
Challenger 450 L Accumulator Tank
£943.92
£786.60
13 Available for Delivery
Select your local store for Stock Availability.
SuperFlow INT 500L Accumulator Tank
£1,669.97
£1,391.64
Available for back-ordered delivery
Select your local store for Stock Availability.
SuperFlow INT 750L Accumulator Tank
£1,866.44
£1,555.37
1 Available for Delivery
Select your local store for Stock Availability.
BiWorld Expansion Vessel Wall Mounting Kit 2 - 25 Litre
£4.54
£3.78
1434 Available for Delivery
Select your local store for Stock Availability.
BiWorld Expansion Vessel Wall Mounting Kit 35 - 50 Litre
£5.08
£4.23
146 Available for Delivery
Select your local store for Stock Availability.
Evolve Expansion Vessel Kit
£23.62
£19.68
932 Available for Delivery
Select your local store for Stock Availability.
ThermoWave White 2 L Potable Multifunction Expansion Vessel (1/2" Thread)
£20.81
£17.34
174 Available for Delivery
Select your local store for Stock Availability.
ThermoWave White 2 L Potable Multifunction Expansion Vessel (3/4" Thread)
£20.81
£17.34
147 Available for Delivery
Select your local store for Stock Availability.
ThermoWave 12 Litre Potable Expansion Vessel
£28.97
£24.14
155 Available for Delivery
Select your local store for Stock Availability.
ThermoWave 18 Litre Potable Expansion Vessel
£31.78
£26.48
96 Available for Delivery
Select your local store for Stock Availability.
ThermoWave 24 Litre Potable Expansion Vessel
£34.60
£28.83
102 Available for Delivery
Select your local store for Stock Availability.
CLEARANCE - Imera Expansion vessel (Cold) 5 Litre Potable
£16.50
£13.75
118 Available for Delivery
Select your local store for Stock Availability.
HeatWave 4 Litre Heating Expansion Vessel
£19.33
£16.11
79 Available for Delivery
Select your local store for Stock Availability.
HeatWave 8 Litre Heating Expansion Vessel
£20.87
£17.39
132 Available for Delivery
Select your local store for Stock Availability.
HeatWave 12 Litre Heating Expansion Vessel
£22.25
£18.54
203 Available for Delivery
Select your local store for Stock Availability.
HeatWave 18 Litre Heating Expansion Vessel
£23.17
£19.31
143 Available for Delivery
Select your local store for Stock Availability.
HeatWave 24 Litre Heating Expansion Vessel
£28.74
£23.95
205 Available for Delivery
Select your local store for Stock Availability.
HeatWave 35 Litre Heating Expansion Vessel
£41.70
£34.75
53 Available for Delivery
Select your local store for Stock Availability.
HeatWave 60 Litre Heating Expansion Vessel
£64.90
£54.08
29 Available for Delivery
Select your local store for Stock Availability.
CLEARANCE - Imera Expansion vessel (Heating) 5 Litre
£15.00
£12.50
338 Available for Delivery
Select your local store for Stock Availability.
BiWorld 1/2" Mechanical Type Shock Arrestor
£14.68
£12.23
262 Available for Delivery
Select your local store for Stock Availability.
HydroGuard 0.16 L Stainless Steel Shock Arrestor
£19.26
£16.05
537 Available for Delivery
Select your local store for Stock Availability.
ThermoWave 12 Litre Unvented Potable Expansion Vessel c/w Bracket
£30.96
£25.80
15 Available for Delivery
Select your local store for Stock Availability.