Skip to content
Need Help
Screwfix Logo
Activating the button will move focus to the expanded search input field
StoresSelect a store
No items in basketCheckout
CLICK & COLLECT in as little as 1 minute
CLICK & COLLECT in as little as 1 minuteNEXT DAY DELIVERY 7 days per week935 STORES NATIONWIDE find your local storeDELIVERY IN AS LITTLE AS 20 MINUTES with Sprint
15% OFF ALL KARCHER. USE CODE: ALLKARCHER - SHOP NOW

Enter Part Number In Search Bar Or Shop By Brand...

Worcester Bosch Boiler Spares

Worcester Bosch

Baxi Boiler Spares

Baxi

Vaillant Boiler Spares

Vaillant

Ideal Heating Boiler Spares

Ideal Heating

Glow-Worm Boiler Spares

Glow-Worm

Vokera Boiler Spares

Vokera

Viessmann Boiler Spares

Viessmann

Heatline Boiler Spares

Heatline

Enter Part Number In Search Bar Or Shop By Brand...

Worcester Bosch Boiler Spares

Worcester Bosch

Baxi Boiler Spares

Baxi

Vaillant Boiler Spares

Vaillant

Ideal Heating Boiler Spares

Ideal Heating

Glow-Worm Boiler Spares

Glow-Worm

Vokera Boiler Spares

Vokera

Viessmann Boiler Spares

Viessmann

Heatline Boiler Spares

Heatline

Results per page:

Viessmann 7861490 Gas valve GB-ND 055 E01 24kW G20 (677HW)

Viessmann 7861490 Gas valve GB-ND 055 E01 24kW G20
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Gas valve GB-ND 055 E01 24kW G20
  • Part No: 7861490
£264.99Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Glow-Worm 0020013711 Siphon (732TH)

Glow-Worm 0020013711 Siphon
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Siphon
  • Part No: 0020013711
£39.08Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Worcester Bosch 19045213420 T2.5A Fusing Element 10 Pack (806TP)

Worcester Bosch 19045213420 T2.5A Fusing Element 10 Pack
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • T2.5A Fusing Element
  • Part No: 19045213420
£28.14Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Vaillant 0020144589 Casing parts, front (pro) (373GW)

Vaillant 0020144589 Casing parts, front (pro)
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Casing parts, front (pro)
  • Part No: 0020144589
£195.60Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Worcester Bosch 87161138370 Siphon Assembly (473TP)

Worcester Bosch 87161138370 Siphon Assembly
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Siphon Assembly
  • Part No: 87161138370
£21.69Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Baxi 248207 Selector Switch/Pump Microswitch & Cable Assembly (791TP)

Baxi 248207 Selector Switch/Pump Microswitch & Cable Assembly
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Selector Switch/Pump Microswitch & Cable Assembly
  • Part No: 248207
£32.00Inc Vat
Check stock in your local store
Fulfilment options

Ideal Heating 177487 Filling Loop Pipe (867TG)

Ideal Heating 177487 Filling Loop Pipe
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Filling Loop Pipe
  • Part No: 177487
£21.99Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Ideal Heating 175619 Wall Mounting Bracket Kit (697TG)

Ideal Heating 175619 Wall Mounting Bracket Kit
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Wall Mounting Bracket Kit
  • Part No: 175619
£23.99Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Baxi 160031 FUSE - 1A (250V) (866GW)

Baxi 160031 FUSE - 1A (250V)
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • FUSE - 1A (250V)
  • Part No: 160031
£13.85Inc Vat
Delivered by our approved supplier | Find out more

Sorry, this item is currently out of stock

Baxi 720777601 Air Vent Valve (836TP)

Baxi 720777601 Air Vent Valve
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Air Vent Valve
  • Part No: 720777601
£42.00Inc Vat
Check stock in your local store
Fulfilment options

Viessmann 7841820 Return Housing (821HW)

Viessmann 7841820 Return Housing
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Return Housing
  • Part No: 7841820
£157.19Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Vaillant 0020038572 19-Plate DHW Heat Exchanger (484TG)

Vaillant 0020038572 19-Plate DHW Heat Exchanger
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • 19-Plate DHW Heat Exchanger
  • Part No: 0020038572
£178.20Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Worcester Bosch 87161165150 Sit 848 Gas Valve (742TP)

Worcester Bosch 87161165150 Sit 848 Gas Valve
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Sit 848 Gas Valve
  • Part No: 87161165150
£127.20Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Baxi 231402 FUSE - 4AMP (QUICK BLOW) (774GW)

Baxi 231402 FUSE - 4AMP (QUICK BLOW)
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • FUSE - 4AMP (QUICK BLOW)
  • Part No: 231402
£11.01Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Ideal Heating 176049 FLOW SENSOR MANIFOLD (330GW)

Ideal Heating 176049 FLOW SENSOR MANIFOLD
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • FLOW SENSOR MANIFOLD
  • Part No: 176049
£160.80Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Ideal Heating 176506 Mechanical Timer Kit (384TH)

Ideal Heating 176506 Mechanical Timer Kit
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Mechanical Timer Kit
  • Part No: 176506
£90.00Inc Vat
Delivered by our approved supplier | Find out more
Fulfilment options

Baxi 5106288 Pressure Relief Valve (673TK)

Baxi 5106288 Pressure Relief Valve
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Pressure Relief Valve
  • Part No: 5106288
£36.00Inc Vat
Check stock in your local store
Fulfilment options

Ideal Heating 175590 Hall Effect Flow Sensor (397TG)

Ideal Heating 175590 Hall Effect Flow Sensor
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Hall Effect Flow Sensor
  • Part No: 175590
£18.98Inc Vat
Check stock in your local store
Fulfilment options

Ideal Heating 177537 PIPE FLOW (216GW)

Ideal Heating 177537 PIPE FLOW
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • PIPE FLOW
  • Part No: 177537
£42.49Inc Vat
Delivered by our approved supplier | Find out more

Sorry, this item is currently out of stock

Baxi 5111978 Assembly Condensate Trap (721TP)

Baxi 5111978 Assembly Condensate Trap
Product rating 0 stars out of 5
Product rating 0 stars out of 5
 
  • Assembly Condensate Trap
  • Part No: 5111978
£31.00Inc Vat
Check stock in your local store
Fulfilment options
Results per page: