Orings, Washers & Gaskets
This category covers O-rings, washers and gaskets for gas boiler spares, including combustion chamber seals, flue adaptor gaskets and syphon tray O-rings. We supply parts for popular brands such as Baxi, Worcester, Glow-worm, Ariston, Alpha and Potterton, in genuine OEM, compatible, refurbished and obsolete grades. Our technical team checks fitment before dispatch, so you can order with confidence. With over 16,500 active products in this category, you are likely to find the seal you need for a wide range of boilers. In-stock orders placed by 4pm Mon–Fri (10:30am Sat) are despatched the same day. If you are unsure which gasket or O-ring fits your appliance, contact our team on 01302 279234. We offer 30-day returns on most items.
Showing 1–11 of 11 parts

E766
Andrews: Andrews Exhaust Box Fringe Packing E766
£30.50
inc. VAT · £25.42 ex. VAT
Available to order · 7 working days
Z005
Andrews: Andrews Exhaust Box Packing Z005
£79.56
inc. VAT · £66.30 ex. VAT
Available to order · 7 working days
Z333
Andrews: Andrews Front Acoustic Foam Z333
£26.52
inc. VAT · £22.10 ex. VAT
Available to order · 7 working days
GT227
Gledhill: Gledhill High Temperature Ducting GT227
£89.64
inc. VAT · £74.70 ex. VAT
Available to order · 5-7 working days
IH214
SPECIAL OFFERS: Special Offers Immersion Heater Washer & Plug 2.1/4 Brass IH214
£3.58
inc. VAT · £2.98 ex. VAT
Available to order · 1-2 working days
VAILLANT981155
Vaillant: Vaillant 981155 Packing Rings
£17.64
inc. VAT · £14.70 ex. VAT
In stock
VAILLANT981157
Vaillant: Vaillant 981157 Packing Rings
£29.40
inc. VAT · £24.50 ex. VAT
In stock
Z371
Andrews: Andrews Bell Mouth 44 Dia Z371
£11.66
inc. VAT · £9.72 ex. VAT
Available to order · 7 working days
64990478
Ariston: Ariston 64990478 Maintenance Kit THS L Eco R40-70
£117.67
inc. VAT · £98.06 ex. VAT
Available to order · 7 working days
95611011
Heatrae Sadia: Heatrae Sadia Air Outlet Rubber 95611011
£50.40
inc. VAT · £42.00 ex. VAT
Available to order · 7 working days
VAILLANT981170
Vaillant: Vaillant Packing Ring 981170
£29.40
inc. VAT · £24.50 ex. VAT
In stock