The Worcester Greenstar 8000 Style Gas Valve Sit 8716122007 controls gas flow inside your boiler for safe and efficient combustion. This gas valve ensures accurate gas regulation and stable burner performance. Supplied brand new and factory-set for Natural Gas, it fits compatible Worcester Greenstar 8000 Style appliances and supports consistent heating output.

Compatible Boilers

Worcester 4000 Series

• Gr4700IW 12s NG (GC No. 41-800-07 / 7733600377)

• Gr4700IW 15s NG (GC No. 41-800-09 / 7733600379)

• Gr4700IW 18s NG (GC No. 41-800-11 / 7733600381)

• Gr4700IW 21s NG (GC No. 41-800-13 / 7733600383)

• Gr4700IW 24s NG (GC No. 41-800-15 / 7733600385)

• Gr4700IW 25c NG (GC No. 47-800-30 / 7733600371)

• Gr4700IW 30c NG (GC No. 47-800-32 / 7733600373)

Worcester Greenstar 8000 Life Series

• GR8300IW 30C LPG (GC No. 47-800-23 / 7738100849)

• GR8300IW 30C NG (GC No. 47-800-18 / 7738100800)

• GR8300IW 35C LPG (GC No. 47-800-22 / 7738100850)

• GR8300IW 35C NG (GC No. 47-800-17 / 7738100801)

• GR8300IW 40C LPG (GC No. 47-800-21 / 7738100851)

• GR8300IW 40C NG (GC No. 47-800-16 / 7738100802)

• GR8300IW 45C LPG (GC No. 47-800-20 / 7738100852)

• GR8300IW 45C NG (GC No. 47-800-15 / 7738100803)

• GR8300IW 50C LPG (GC No. 47-800-19 / 7738100853)

• GR8300IW 50C NG (GC No. 47-800-14 / 7738100804)

• GR8300IW 30R LPG (GC No. 41-800-04 / 7738100860)

• GR8300IW 30R NG (GC No. 41-406-98 / 7738100809)

• GR8300IW 35R LPG (GC No. 41-800-03 / 7738100861)

• GR8300IW 35R NG (GC No. 41-406-97 / 7738100810)

• GR8300IW 40R LPG (GC No. 41-800-02 / 7738100862)

• GR8300IW 40R NG (GC No. 41-406-96 / 7738100811)

• GR8300IW 45R LPG (GC No. 41-800-01 / 7738100863)

• GR8300IW 45R NG (GC No. 41-406-95 / 7738100812)

• GR8300IW 50R LPG (GC No. 41-406-99 / 7738100864)

• GR8300IW 50R NG (GC No. 41-406-94 / 7738100813)

• Greenstar 8000 Life 30S LPG (GC No. 41-406-93 / 7738100858)

• Greenstar 8000 Life 30S NG (GC No. 41-406-91 / 7738100807)

• Greenstar 8000 Life 35P LPG (GC No. 41-406-92 / 7738100859)

• Greenstar 8000 Life 35P NG (GC No. 41-406-90 / 7738100808)

Worcester Greenstar 8000 Style Series

• GR8700IW 30C LPG (GC No. 47-800-13 / 7738100839)

• GR8700IW 30C NG (GC No. 47-800-03 / 7738100795)

• GR8700IW 30CB LPG (GC No. 47-800-08 / 7738100844)

• GR8700IW 30CB NG (GC No. 47-406-97 / 7738100832)

• GR8700IW 35C LPG (GC No. 47-800-12 / 7738100840)

• GR8700IW 35C NG (GC No. 47-800-02 / 7738100796)

• GR8700IW 35CB LPG (GC No. 47-800-07 / 7738100845)

• GR8700IW 35CB NG (GC No. 47-406-96 / 7738100833)

• GR8700IW 40C LPG (GC No. 47-800-11 / 7738100841)

• GR8700IW 40C NG (GC No. 47-800-01 / 7738100797)

• GR8700IW 40CB LPG (GC No. 47-800-06 / 7738100846)

• GR8700IW 40CB NG (GC No. 47-406-95 / 7738100834)

• GR8700IW 45C LPG (GC No. 47-800-10 / 7738100842)

• GR8700IW 45C NG (GC No. 47-406-99 / 7738100798)

• GR8700IW 45CB LPG (GC No. 47-800-05 / 7738100847)

• GR8700IW 45CB NG (GC No. 47-406-94 / 7738100835)

• GR8700IW 50C LPG (GC No. 47-800-09 / 7738100843)

• GR8700IW 50C NG (GC No. 47-406-98 / 7738100799)

• GR8700IW 50CB LPG (GC No. 47-800-04 / 7738100848)

• GR8700IW 50CB NG (GC No. 47-406-93 / 7738100836)

• GR8700IW 30 P LPG (GC No. 41-406-89 / 7738100854)

• GR8700IW 30 P NG (GC No. 41-406-87 / 7738100805)

• GR8700IW 30 SB LPG (GC No. 41-406-85 / 7738100856)

• GR8700IW 30 SB NG (GC No. 41-406-83 / 7738100837)

• GR8700IW 35 S LPG (GC No. 41-406-88 / 7738100855)

• GR8700IW 35 S NG (GC No. 41-406-86 / 7738100806)

• GR8700IW 35 SB LPG (GC No. 41-406-84 / 7738100857)

• GR8700IW 35 SB NG (GC No. 41-406-82 / 7738100838)

Worcester 2000 Series

• Worcester 2000 25kW (GC No. 47-800-25 / 7736902027)

• Worcester 2000 30kW (GC No. 47-800-24 / 7736902028)

If you’re looking for a Worcester 24 Fsn Gb Gas Valve 87160124850 or any other different Worcester Gas Valve, follow the link provided.

Why Choose This Product?

This Worcester Greenstar 8000 Style Gas Valve Sit ensures precise gas control for efficient combustion and stable heating. It supports reliable ignition and reduces the risk of gas flow irregularities. The valve arrives factory-set for Natural Gas, which simplifies installation and ensures correct calibration. Choosing this part helps maintain safety, improve performance, and extend boiler lifespan.

Delivery and Return

Orders placed before 1 PM are dispatched on the same working day. You can select standard delivery or next-day courier service at checkout. Returns are accepted within 30 days if the item remains unused and in its original condition. Always use a Gas Safe registered engineer for safe and compliant installation.

Frequently Asked Questions

1. What does the Worcester Greenstar 8000 Style Gas Valve Sit 8716122007 do?
The Worcester Greenstar 8000 Style Gas Valve Sit 8716122007 controls the flow of gas into the burner. It regulates gas pressure and ensures safe, stable combustion inside the boiler.

2. Which boilers are compatible with this gas valve?
This gas valve fits a wide range of Worcester 4000, 8000 Life, 8000 Style, and Worcester 2000 series boilers. Always check your boiler’s GC number against the compatibility list before ordering.

3. Is this gas valve suitable for Natural Gas or LPG?
This valve comes factory-set for Natural Gas appliances. If your boiler runs on LPG, confirm compatibility with your engineer before purchase.

4. What problems can a faulty gas valve cause?
A faulty gas valve can lead to ignition failure, inconsistent heating, flame loss, or boiler lockouts. Replacing it restores proper gas regulation and safe operation.

5. Is this gas valve brand new?
Yes. The Worcester Greenstar 8000 Style Gas Valve Sit 8716122007 is supplied brand new and factory-set for compatible boilers.