Ariston boiler accessories
Complete your Ariston water heater install with these Ariston accessories including flue kits, expansion vessels and pressure reducing valves.

Ariston KIT A - 2 Litre Expansion Vessel and Non-return Valve
£45.90
£38.25
149 Available for Delivery
Select your local store for Stock Availability.

Ariston KIT B - 3.5 Bar Pressure Reducing Valve
£37.40
£31.17
159 Available for Delivery
Select your local store for Stock Availability.

Ariston KIT C - Discharge Tundish (15mm - 22mm)
£9.07
£7.56
31 Available for Delivery
Select your local store for Stock Availability.

Ariston Vertical Starter (SE)
£16.80
£14.00
16 Available for Delivery
Select your local store for Stock Availability.

Ariston Vertical Flue with Black Terminal 60/100 (SE)
£84.00
£70.00
5 Available for Delivery
Select your local store for Stock Availability.

Ariston Vertical Starter c/w Horizontal Terminal Kit 60/100 (SE)
£60.41
£50.34
3 Available for Delivery
Select your local store for Stock Availability.

Ariston Wall Bracket Kit (80 - 125mm) (Pack of 3)
£17.86
£14.88
9 Available for Delivery
Select your local store for Stock Availability.

Ariston Red Lead Flashing Base Cap (18-44 Degree)
£33.86
£28.22
Available for back-ordered delivery
Select your local store for Stock Availability.

Ariston Horizontal Flue Kit 60/100 (SE)
£51.00
£42.50
239 Available for Delivery
Select your local store for Stock Availability.

Ariston Cover Plate (100mm)
£11.81
£9.84
Available for back-ordered delivery
Select your local store for Stock Availability.

Ariston Coaxial Extension - 250mm (SE)
£12.86
£10.72
6 Available for Delivery
Select your local store for Stock Availability.

Ariston Coaxial Extension - 500mm (SE)
£14.96
£12.47
5 Available for Delivery
Select your local store for Stock Availability.

Ariston Coaxial Extension - 1000mm (SE)
£22.31
£18.59
18 Available for Delivery
Select your local store for Stock Availability.

Ariston Coaxial Extension - 2000mm (SE)
£70.87
£59.06
Available for back-ordered delivery
Select your local store for Stock Availability.

Ariston Black Vent Cap Base For Flat Roof
£28.36
£23.63
18 Available for Delivery
Select your local store for Stock Availability.

Ariston Black Lead Flashing Base Cap (18-44 Degree)
£33.86
£28.22
4 Available for Delivery
Select your local store for Stock Availability.

Ariston 90 Degree Coaxial Elbow (SE)
£30.46
£25.38
23 Available for Delivery
Select your local store for Stock Availability.

Ariston 45 Degree Coaxial Elbow (Pack of 2) (SE)
£40.43
£33.69
23 Available for Delivery
Select your local store for Stock Availability.